23231030240 has 48 divisors (see below), whose sum is σ = 59872705200. Its totient is φ = 8447646720.

The previous prime is 23231030227. The next prime is 23231030269. The reversal of 23231030240 is 4203013232.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6597965 + ... + 6601484.

It is an arithmetic number, because the mean of its divisors is an integer number (1247348025).

Almost surely, 2^23231030240 is an apocalyptic number.

23231030240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23231030240 is an abundant number, since it is smaller than the sum of its proper divisors (36641674960).

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

23231030240 is a wasteful number, since it uses less digits than its factorization.

23231030240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13199475 (or 13199467 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 23231030240 its reverse (4203013232), we get a palindrome (27434043472).

The spelling of 23231030240 in words is "twenty-three billion, two hundred thirty-one million, thirty thousand, two hundred forty".