23130133231 has 8 divisors (see below), whose sum is σ = 23746149504. Its totient is φ = 22516586880.

The previous prime is 23130133219. The next prime is 23130133249. The reversal of 23130133231 is 13233103132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23130133231 - 2²¹ = 23128036079 is a prime.

It is a super-2 number, since 2×23130133231² (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 (23137133231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 598495 + ... + 635968.

It is an arithmetic number, because the mean of its divisors is an integer number (2968268688).

Almost surely, 2^23130133231 is an apocalyptic number.

23130133231 is a deficient number, since it is larger than the sum of its proper divisors (616016273).

23130133231 is a wasteful number, since it uses less digits than its factorization.

23130133231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234961.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 23130133231 its reverse (13233103132), we get a palindrome (36363236363).

The spelling of 23130133231 in words is "twenty-three billion, one hundred thirty million, one hundred thirty-three thousand, two hundred thirty-one".