102523199970 has 32 divisors (see below), whose sum is σ = 247330593792. Its totient is φ = 27197862912.

The previous prime is 102523199941. The next prime is 102523199983. The reversal of 102523199970 is 79991325201.

It is a super-2 number, since 2×102523199970² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8847682 + ... + 8859261.

It is an arithmetic number, because the mean of its divisors is an integer number (7729081056).

Almost surely, 2^102523199970 is an apocalyptic number.

102523199970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102523199970 is an abundant number, since it is smaller than the sum of its proper divisors (144807393822).

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

102523199970 is a wasteful number, since it uses less digits than its factorization.

102523199970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17707146.

The product of its (nonzero) digits is 306180, while the sum is 48.

The spelling of 102523199970 in words is "one hundred two billion, five hundred twenty-three million, one hundred ninety-nine thousand, nine hundred seventy".