23123121133132 has 12 divisors (see below), whose sum is σ = 42595223140120. Its totient is φ = 10953057378816.

The previous prime is 23123121133093. The next prime is 23123121133157. The reversal of 23123121133132 is 23133112132132.

It is a self number, because there is not a number n which added to its sum of digits gives 23123121133132.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152125796853 + ... + 152125797004.

Almost surely, 2^{23123121133132} is an apocalyptic number.

It is an amenable number.

23123121133132 is a deficient number, since it is larger than the sum of its proper divisors (19472102006988).

23123121133132 is a wasteful number, since it uses less digits than its factorization.

23123121133132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304251593880 (or 304251593878 counting only the distinct ones).

The product of its digits is 3888, while the sum is 28.

Adding to 23123121133132 its reverse (23133112132132), we get a palindrome (46256233265264).

The spelling of 23123121133132 in words is "twenty-three trillion, one hundred twenty-three billion, one hundred twenty-one million, one hundred thirty-three thousand, one hundred thirty-two".