23154252531427 has 16 divisors (see below), whose sum is σ = 23867035879680. Its totient is φ = 22454612056800.

The previous prime is 23154252531419. The next prime is 23154252531437. The reversal of 23154252531427 is 72413525245132.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 23154252531427 - 2³ = 23154252531419 is a prime.

It is a super-2 number, since 2×23154252531427² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23154252531437) 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, 7229349 + ... + 9928342.

It is an arithmetic number, because the mean of its divisors is an integer number (1491689742480).

Almost surely, 2^{23154252531427} is an apocalyptic number.

23154252531427 is a deficient number, since it is larger than the sum of its proper divisors (712783348253).

23154252531427 is a wasteful number, since it uses less digits than its factorization.

23154252531427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17158074.

The product of its digits is 2016000, while the sum is 46.

Adding to 23154252531427 its reverse (72413525245132), we get a palindrome (95567777776559).

The spelling of 23154252531427 in words is "twenty-three trillion, one hundred fifty-four billion, two hundred fifty-two million, five hundred thirty-one thousand, four hundred twenty-seven".