23210131240 has 64 divisors (see below), whose sum is σ = 52882502400. Its totient is φ = 9167296512.

The previous prime is 23210131193. The next prime is 23210131249. The reversal of 23210131240 is 4213101232.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (23210131249) 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, 1446381 + ... + 1462339.

It is an arithmetic number, because the mean of its divisors is an integer number (826289100).

Almost surely, 2^23210131240 is an apocalyptic number.

23210131240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23210131240 is an abundant number, since it is smaller than the sum of its proper divisors (29672371160).

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

23210131240 is a wasteful number, since it uses less digits than its factorization.

23210131240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16426 (or 16422 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 23210131240 its reverse (4213101232), we get a palindrome (27423232472).

The spelling of 23210131240 in words is "twenty-three billion, two hundred ten million, one hundred thirty-one thousand, two hundred forty".