23204406123 has 8 divisors (see below), whose sum is σ = 34376898000. Its totient is φ = 15469604064.

The previous prime is 23204406079. The next prime is 23204406133. The reversal of 23204406123 is 32160440232.

23204406123 is a `hidden beast` number, since 2 + 3 + 2 + 0 + 4 + 40 + 612 + 3 = 666.

It is not a de Polignac number, because 23204406123 - 2¹⁷ = 23204275051 is a prime.

It is a super-2 number, since 2×23204406123² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 859422449 = 23204406123 / (2 + 3 + 2 + 0 + 4 + 4 + 0 + 6 + 1 + 2 + 3).

It is not an unprimeable number, because it can be changed into a prime (23204406133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 429711198 + ... + 429711251.

It is an arithmetic number, because the mean of its divisors is an integer number (4297112250).

Almost surely, 2^23204406123 is an apocalyptic number.

23204406123 is a deficient number, since it is larger than the sum of its proper divisors (11172491877).

23204406123 is an equidigital number, since it uses as much as digits as its factorization.

23204406123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859422458 (or 859422452 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 23204406123 its reverse (32160440232), we get a palindrome (55364846355).

The spelling of 23204406123 in words is "twenty-three billion, two hundred four million, four hundred six thousand, one hundred twenty-three".