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23230024537 = 371813468721
BaseRepresentation
bin10101101000100111…
…100000101101011001
32012221221101111221011
4111220213200231121
5340033341241122
614401032013521
71451442644026
oct255047405531
965857344834
1023230024537
11994081a295
1246038312a1
132262929665
1411a528854d
1590e5ea377
hex5689e0b59

23230024537 has 8 divisors (see below), whose sum is σ = 23989681352. Its totient is φ = 22477305600.

The previous prime is 23230024513. The next prime is 23230024577. The reversal of 23230024537 is 73542003232.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2962516041 + 20267508496 = 54429^2 + 142364^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23230024537 - 219 = 23229500249 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23230024499 and 23230024508.

It is not an unprimeable number, because it can be changed into a prime (23230024507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1727664 + ... + 1741057.

It is an arithmetic number, because the mean of its divisors is an integer number (2998710169).

Almost surely, 223230024537 is an apocalyptic number.

It is an amenable number.

23230024537 is a deficient number, since it is larger than the sum of its proper divisors (759656815).

23230024537 is a wasteful number, since it uses less digits than its factorization.

23230024537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3468939.

The product of its (nonzero) digits is 30240, while the sum is 31.

Adding to 23230024537 its reverse (73542003232), we get a palindrome (96772027769).

The spelling of 23230024537 in words is "twenty-three billion, two hundred thirty million, twenty-four thousand, five hundred thirty-seven".

Divisors: 1 37 181 6697 3468721 128342677 627838501 23230024537