23154230451 has 16 divisors (see below), whose sum is σ = 33694743168. Its totient is φ = 14026257600.

The previous prime is 23154230441. The next prime is 23154230521. The reversal of 23154230451 is 15403245132.

It is not a de Polignac number, because 23154230451 - 2¹⁸ = 23153968307 is a prime.

It is a super-2 number, since 2×23154230451² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23154230441) 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, 93645 + ... + 234686.

It is an arithmetic number, because the mean of its divisors is an integer number (2105921448).

Almost surely, 2^23154230451 is an apocalyptic number.

23154230451 is a deficient number, since it is larger than the sum of its proper divisors (10540512717).

23154230451 is a wasteful number, since it uses less digits than its factorization.

23154230451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330482.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 23154230451 its reverse (15403245132), we get a palindrome (38557475583).

The spelling of 23154230451 in words is "twenty-three billion, one hundred fifty-four million, two hundred thirty thousand, four hundred fifty-one".