23123212231204 has 12 divisors (see below), whose sum is σ = 40466012562864. Its totient is φ = 11561494356104.

The previous prime is 23123212231123. The next prime is 23123212231291. The reversal of 23123212231204 is 40213221232132.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27473482 + ... + 28302625.

It is an arithmetic number, because the mean of its divisors is an integer number (3372167713572).

Almost surely, 2^{23123212231204} is an apocalyptic number.

It is an amenable number.

23123212231204 is a deficient number, since it is larger than the sum of its proper divisors (17342800331660).

23123212231204 is a wasteful number, since it uses less digits than its factorization.

23123212231204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55879754 (or 55879752 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 23123212231204 its reverse (40213221232132), we get a palindrome (63336433463336).

The spelling of 23123212231204 in words is "twenty-three trillion, one hundred twenty-three billion, two hundred twelve million, two hundred thirty-one thousand, two hundred four".