102443023100 has 72 divisors (see below), whose sum is σ = 242577890688. Its totient is φ = 37241668800.

The previous prime is 102443023049. The next prime is 102443023171. The reversal of 102443023100 is 1320344201.

It is a super-2 number, since 2×102443023100² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4748939 + ... + 4770461.

Almost surely, 2^102443023100 is an apocalyptic number.

102443023100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102443023100 is an abundant number, since it is smaller than the sum of its proper divisors (140134867588).

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

102443023100 is a wasteful number, since it uses less digits than its factorization.

102443023100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25875 (or 25868 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 102443023100 its reverse (1320344201), we get a palindrome (103763367301).

The spelling of 102443023100 in words is "one hundred two billion, four hundred forty-three million, twenty-three thousand, one hundred".