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23303230421 = 100992307479
BaseRepresentation
bin10101101100111110…
…110001001111010101
32020011001010202112012
4111230332301033111
5340211111333141
614412205034005
71453322122202
oct255476611725
966131122465
1023303230421
11997907aa19
124624255905
132274b4b453
1411b0ca2ca9
15915c5aceb
hex56cfb13d5

23303230421 has 4 divisors (see below), whose sum is σ = 23305548000. Its totient is φ = 23300912844.

The previous prime is 23303230397. The next prime is 23303230427. The reversal of 23303230421 is 12403230332.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23303230421 - 230 = 22229488597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23303230427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1143641 + ... + 1163838.

It is an arithmetic number, because the mean of its divisors is an integer number (5826387000).

Almost surely, 223303230421 is an apocalyptic number.

It is an amenable number.

23303230421 is a deficient number, since it is larger than the sum of its proper divisors (2317579).

23303230421 is a wasteful number, since it uses less digits than its factorization.

23303230421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2317578.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 23303230421 its reverse (12403230332), we get a palindrome (35706460753).

The spelling of 23303230421 in words is "twenty-three billion, three hundred three million, two hundred thirty thousand, four hundred twenty-one".

Divisors: 1 10099 2307479 23303230421