23345306431 has 4 divisors (see below), whose sum is σ = 24098380864. Its totient is φ = 22592232000.

The previous prime is 23345306419. The next prime is 23345306437. The reversal of 23345306431 is 13460354332.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23345306431 is a prime.

It is a super-2 number, since 2×23345306431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23345306437) 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, 376537170 + ... + 376537231.

It is an arithmetic number, because the mean of its divisors is an integer number (6024595216).

Almost surely, 2^23345306431 is an apocalyptic number.

23345306431 is a deficient number, since it is larger than the sum of its proper divisors (753074433).

23345306431 is an equidigital number, since it uses as much as digits as its factorization.

23345306431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753074432.

The product of its (nonzero) digits is 77760, while the sum is 34.

The spelling of 23345306431 in words is "twenty-three billion, three hundred forty-five million, three hundred six thousand, four hundred thirty-one".