23204434311 has 8 divisors (see below), whose sum is σ = 34376939760. Its totient is φ = 15469622856.

The previous prime is 23204434307. The next prime is 23204434313. The reversal of 23204434311 is 11343440232.

23204434311 is a `hidden beast` number, since 23 + 204 + 4 + 3 + 431 + 1 = 666.

It is not a de Polignac number, because 23204434311 - 2² = 23204434307 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 859423493 = 23204434311 / (2 + 3 + 2 + 0 + 4 + 4 + 3 + 4 + 3 + 1 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23204434313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 429711720 + ... + 429711773.

It is an arithmetic number, because the mean of its divisors is an integer number (4297117470).

Almost surely, 2^23204434311 is an apocalyptic number.

23204434311 is a deficient number, since it is larger than the sum of its proper divisors (11172505449).

23204434311 is an equidigital number, since it uses as much as digits as its factorization.

23204434311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859423502 (or 859423496 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 23204434311 its reverse (11343440232), we get a palindrome (34547874543).

The spelling of 23204434311 in words is "twenty-three billion, two hundred four million, four hundred thirty-four thousand, three hundred eleven".