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23403230423 = 43354049031
BaseRepresentation
bin10101110010111100…
…001111010011010111
32020102000022021201222
4111302330033103113
5340412211333143
614430140240555
71455645114326
oct256274172327
966360267658
1023403230423
119a1a571451
12465184015b
13228c791c51
1411c02940bd
1591e910768
hex572f0f4d7

23403230423 has 4 divisors (see below), whose sum is σ = 23457279888. Its totient is φ = 23349180960.

The previous prime is 23403230419. The next prime is 23403230429. The reversal of 23403230423 is 32403230432.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23403230423 - 22 = 23403230419 is a prime.

It is a super-2 number, since 2×234032304232 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23403230392 and 23403230401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23403230429) 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, 27024083 + ... + 27024948.

It is an arithmetic number, because the mean of its divisors is an integer number (5864319972).

Almost surely, 223403230423 is an apocalyptic number.

23403230423 is a deficient number, since it is larger than the sum of its proper divisors (54049465).

23403230423 is an equidigital number, since it uses as much as digits as its factorization.

23403230423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54049464.

The product of its (nonzero) digits is 10368, while the sum is 26.

Adding to 23403230423 its reverse (32403230432), we get a palindrome (55806460855).

Subtracting 23403230423 from its reverse (32403230432), we obtain a palindrome (9000000009).

The spelling of 23403230423 in words is "twenty-three billion, four hundred three million, two hundred thirty thousand, four hundred twenty-three".

Divisors: 1 433 54049031 23403230423