23928358351 has 4 divisors (see below), whose sum is σ = 24197216400. Its totient is φ = 23659500304.

The previous prime is 23928358331. The next prime is 23928358387. The reversal of 23928358351 is 15385382932.

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 23928358351 - 2²¹ = 23926261199 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23928358295 and 23928358304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23928358331) 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, 134428891 + ... + 134429068.

It is an arithmetic number, because the mean of its divisors is an integer number (6049304100).

Almost surely, 2^23928358351 is an apocalyptic number.

23928358351 is a deficient number, since it is larger than the sum of its proper divisors (268858049).

23928358351 is an equidigital number, since it uses as much as digits as its factorization.

23928358351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268858048.

The product of its digits is 1555200, while the sum is 49.

The spelling of 23928358351 in words is "twenty-three billion, nine hundred twenty-eight million, three hundred fifty-eight thousand, three hundred fifty-one".