251262345023 has 4 divisors (see below), whose sum is σ = 251284535040. Its totient is φ = 251240155008.

The previous prime is 251262345017. The next prime is 251262345043. The reversal of 251262345023 is 320543262152.

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 251262345023 - 2¹⁶ = 251262279487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (251262345013) 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, 11078015 + ... + 11100672.

It is an arithmetic number, because the mean of its divisors is an integer number (62821133760).

Almost surely, 2^251262345023 is an apocalyptic number.

251262345023 is a deficient number, since it is larger than the sum of its proper divisors (22190017).

251262345023 is a wasteful number, since it uses less digits than its factorization.

251262345023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22190016.

The product of its (nonzero) digits is 86400, while the sum is 35.

The spelling of 251262345023 in words is "two hundred fifty-one billion, two hundred sixty-two million, three hundred forty-five thousand, twenty-three".