23102003231 has 4 divisors (see below), whose sum is σ = 23102313432. Its totient is φ = 23101693032.

The previous prime is 23102003219. The next prime is 23102003251. The reversal of 23102003231 is 13230020132.

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 a de Polignac number, because none of the positive numbers 2^k-23102003231 is a prime.

It is a super-2 number, since 2×23102003231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23102003251) 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, 31220 + ... + 217206.

It is an arithmetic number, because the mean of its divisors is an integer number (5775578358).

Almost surely, 2^23102003231 is an apocalyptic number.

23102003231 is a deficient number, since it is larger than the sum of its proper divisors (310201).

23102003231 is a wasteful number, since it uses less digits than its factorization.

23102003231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310200.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 23102003231 its reverse (13230020132), we get a palindrome (36332023363).

The spelling of 23102003231 in words is "twenty-three billion, one hundred two million, three thousand, two hundred thirty-one".