231523674020 has 48 divisors (see below), whose sum is σ = 487115166720. Its totient is φ = 92435278464.

The previous prime is 231523673963. The next prime is 231523674079. The reversal of 231523674020 is 20476325132.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25700357 + ... + 25709363.

It is an arithmetic number, because the mean of its divisors is an integer number (10148232640).

Almost surely, 2^231523674020 is an apocalyptic number.

231523674020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231523674020 is an abundant number, since it is smaller than the sum of its proper divisors (255591492700).

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

231523674020 is a wasteful number, since it uses less digits than its factorization.

231523674020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11292 (or 11290 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 35.

Adding to 231523674020 its reverse (20476325132), we get a palindrome (251999999152).

The spelling of 231523674020 in words is "two hundred thirty-one billion, five hundred twenty-three million, six hundred seventy-four thousand, twenty".