23057343951 has 4 divisors (see below), whose sum is σ = 30743125272. Its totient is φ = 15371562632.

The previous prime is 23057343941. The next prime is 23057343973. The reversal of 23057343951 is 15934375032.

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 23057343951 - 2¹⁰ = 23057342927 is a prime.

It is a super-2 number, since 2×23057343951² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23057343931) 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, 3842890656 + ... + 3842890661.

It is an arithmetic number, because the mean of its divisors is an integer number (7685781318).

Almost surely, 2^23057343951 is an apocalyptic number.

23057343951 is a deficient number, since it is larger than the sum of its proper divisors (7685781321).

23057343951 is an equidigital number, since it uses as much as digits as its factorization.

23057343951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7685781320.

The product of its (nonzero) digits is 340200, while the sum is 42.

The spelling of 23057343951 in words is "twenty-three billion, fifty-seven million, three hundred forty-three thousand, nine hundred fifty-one".