231520552123010 has 64 divisors (see below), whose sum is σ = 436031306772480. Its totient is φ = 88342390825920.

The previous prime is 231520552123009. The next prime is 231520552123031. The reversal of 231520552123010 is 10321255025132.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1515199715 + ... + 1515352505.

It is an arithmetic number, because the mean of its divisors is an integer number (6812989168320).

Almost surely, 2^{231520552123010} is an apocalyptic number.

231520552123010 is a deficient number, since it is larger than the sum of its proper divisors (204510754649470).

231520552123010 is a wasteful number, since it uses less digits than its factorization.

231520552123010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170583.

The product of its (nonzero) digits is 18000, while the sum is 32.

The spelling of 231520552123010 in words is "two hundred thirty-one trillion, five hundred twenty billion, five hundred fifty-two million, one hundred twenty-three thousand, ten".