23130031323 has 16 divisors (see below), whose sum is σ = 36461134080. Its totient is φ = 12761396256.

The previous prime is 23130031321. The next prime is 23130031339. The reversal of 23130031323 is 32313003132.

It is not a de Polignac number, because 23130031323 - 2¹ = 23130031321 is a prime.

It is a super-2 number, since 2×23130031323² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 23130031323.

It is not an unprimeable number, because it can be changed into a prime (23130031321) 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, 18989565 + ... + 18990782.

It is an arithmetic number, because the mean of its divisors is an integer number (2278820880).

Almost surely, 2^23130031323 is an apocalyptic number.

23130031323 is a deficient number, since it is larger than the sum of its proper divisors (13331102757).

23130031323 is a wasteful number, since it uses less digits than its factorization.

23130031323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37980386.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 23130031323 its reverse (32313003132), we get a palindrome (55443034455).

It can be divided in two parts, 2313003132 and 3, that multiplied together give a palindrome (6939009396).

The spelling of 23130031323 in words is "twenty-three billion, one hundred thirty million, thirty-one thousand, three hundred twenty-three".