23531540210 has 16 divisors (see below), whose sum is σ = 42745368600. Its totient is φ = 9326261376.

The previous prime is 23531540183. The next prime is 23531540213. The reversal of 23531540210 is 1204513532.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 23530639609 + 900601 = 153397^2 + 949^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23531540210.

It is not an unprimeable number, because it can be changed into a prime (23531540213) 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, 10793195 + ... + 10795374.

Almost surely, 2^23531540210 is an apocalyptic number.

23531540210 is a deficient number, since it is larger than the sum of its proper divisors (19213828390).

23531540210 is a wasteful number, since it uses less digits than its factorization.

23531540210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21588685.

The product of its (nonzero) digits is 3600, while the sum is 26.

The spelling of 23531540210 in words is "twenty-three billion, five hundred thirty-one million, five hundred forty thousand, two hundred ten".