23210000001231 has 16 divisors (see below), whose sum is σ = 31007546466048. Its totient is φ = 15442921771200.

The previous prime is 23210000001191. The next prime is 23210000001323. The reversal of 23210000001231 is 13210000001232.

It is not a de Polignac number, because 23210000001231 - 2²³ = 23209991612623 is a prime.

It is a super-2 number, since 2×23210000001231² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23210000001231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23210000001731) 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, 263515 + ... + 6818316.

It is an arithmetic number, because the mean of its divisors is an integer number (1937971654128).

Almost surely, 2^{23210000001231} is an apocalyptic number.

23210000001231 is a deficient number, since it is larger than the sum of its proper divisors (7797546464817).

23210000001231 is a wasteful number, since it uses less digits than its factorization.

23210000001231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7083982.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 23210000001231 its reverse (13210000001232), we get a palindrome (36420000002463).

Subtracting from 23210000001231 its reverse (13210000001232), we obtain a palindrome (9999999999999).

The spelling of 23210000001231 in words is "twenty-three trillion, two hundred ten billion, one thousand, two hundred thirty-one".