23123212101231 has 16 divisors (see below), whose sum is σ = 33633874245888. Its totient is φ = 14014021611200.

The previous prime is 23123212101167. The next prime is 23123212101233. The reversal of 23123212101231 is 13210121232132.

It is a cyclic number.

It is not a de Polignac number, because 23123212101231 - 2⁶ = 23123212101167 is a prime.

It is a super-2 number, since 2×23123212101231² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23123212101233) 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, 10825966 + ... + 12784676.

It is an arithmetic number, because the mean of its divisors is an integer number (2102117140368).

Almost surely, 2^{23123212101231} is an apocalyptic number.

23123212101231 is a deficient number, since it is larger than the sum of its proper divisors (10510662144657).

23123212101231 is a wasteful number, since it uses less digits than its factorization.

23123212101231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2316462.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 23123212101231 its reverse (13210121232132), we get a palindrome (36333333333363).

The spelling of 23123212101231 in words is "twenty-three trillion, one hundred twenty-three billion, two hundred twelve million, one hundred one thousand, two hundred thirty-one".