23131230 has 32 divisors (see below), whose sum is σ = 55641600. Its totient is φ = 6154272.

The previous prime is 23131211. The next prime is 23131231. The reversal of 23131230 is 3213132.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23131231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24711 + ... + 25629.

It is an arithmetic number, because the mean of its divisors is an integer number (1738800).

Almost surely, 2^23131230 is an apocalyptic number.

23131230 is an abundant number, since it is smaller than the sum of its proper divisors (32510370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23131230 is a wasteful number, since it uses less digits than its factorization.

23131230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1768.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 23131230 is about 4809.4937363511. The cubic root of 23131230 is about 284.9265430877.

Adding to 23131230 its reverse (3213132), we get a palindrome (26344362).

The spelling of 23131230 in words is "twenty-three million, one hundred thirty-one thousand, two hundred thirty".