23440476344351 has 16 divisors (see below), whose sum is σ = 25602753179520. Its totient is φ = 21283423281120.

The previous prime is 23440476344323. The next prime is 23440476344353. The reversal of 23440476344351 is 15344367404432.

It is not a de Polignac number, because 23440476344351 - 2³⁸ = 23165598437407 is a prime.

It is a super-2 number, since 2×23440476344351² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23440476344351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23440476344353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177603581 + ... + 177735513.

It is an arithmetic number, because the mean of its divisors is an integer number (1600172073720).

Almost surely, 2^{23440476344351} is an apocalyptic number.

23440476344351 is a deficient number, since it is larger than the sum of its proper divisors (2162276835169).

23440476344351 is a wasteful number, since it uses less digits than its factorization.

23440476344351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151606.

The product of its (nonzero) digits is 11612160, while the sum is 50.

The spelling of 23440476344351 in words is "twenty-three trillion, four hundred forty billion, four hundred seventy-six million, three hundred forty-four thousand, three hundred fifty-one".