23332121231 has 4 divisors (see below), whose sum is σ = 23332452264. Its totient is φ = 23331790200.

The previous prime is 23332121191. The next prime is 23332121233. The reversal of 23332121231 is 13212123332.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 23332121231 - 2²² = 23327926927 is a prime.

It is a super-2 number, since 2×23332121231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23332121197 and 23332121206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23332121233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12860 + ... + 216401.

It is an arithmetic number, because the mean of its divisors is an integer number (5833113066).

Almost surely, 2^23332121231 is an apocalyptic number.

23332121231 is a deficient number, since it is larger than the sum of its proper divisors (331033).

23332121231 is a wasteful number, since it uses less digits than its factorization.

23332121231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331032.

The product of its digits is 1296, while the sum is 23.

Adding to 23332121231 its reverse (13212123332), we get a palindrome (36544244563).

The spelling of 23332121231 in words is "twenty-three billion, three hundred thirty-two million, one hundred twenty-one thousand, two hundred thirty-one".