23164120427 has 64 divisors (see below), whose sum is σ = 29133941760. Its totient is φ = 17978112000.

The previous prime is 23164120411. The next prime is 23164120453. The reversal of 23164120427 is 72402146132.

It is a cyclic number.

It is not a de Polignac number, because 23164120427 - 2⁴ = 23164120411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23164120393 and 23164120402.

It is not an unprimeable number, because it can be changed into a prime (23164120477) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 75453008 + ... + 75453314.

It is an arithmetic number, because the mean of its divisors is an integer number (455217840).

Almost surely, 2^23164120427 is an apocalyptic number.

23164120427 is a deficient number, since it is larger than the sum of its proper divisors (5969821333).

23164120427 is a wasteful number, since it uses less digits than its factorization.

23164120427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612.

The product of its (nonzero) digits is 16128, while the sum is 32.

Adding to 23164120427 its reverse (72402146132), we get a palindrome (95566266559).

The spelling of 23164120427 in words is "twenty-three billion, one hundred sixty-four million, one hundred twenty thousand, four hundred twenty-seven".