23151312254 has 16 divisors (see below), whose sum is σ = 40760612448. Its totient is φ = 9653828832.

The previous prime is 23151312251. The next prime is 23151312293. The reversal of 23151312254 is 45221315132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23151312251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22346309 + ... + 22347344.

It is an arithmetic number, because the mean of its divisors is an integer number (2547538278).

Almost surely, 2^23151312254 is an apocalyptic number.

23151312254 is a deficient number, since it is larger than the sum of its proper divisors (17609300194).

23151312254 is a wasteful number, since it uses less digits than its factorization.

23151312254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44693699.

The product of its digits is 7200, while the sum is 29.

Adding to 23151312254 its reverse (45221315132), we get a palindrome (68372627386).

The spelling of 23151312254 in words is "twenty-three billion, one hundred fifty-one million, three hundred twelve thousand, two hundred fifty-four".