102003023100 has 144 divisors (see below), whose sum is σ = 332344728576. Its totient is φ = 23930304000.

The previous prime is 102003023041. The next prime is 102003023107. The reversal of 102003023100 is 1320300201.

It is a happy number.

It is a super-2 number, since 2×102003023100² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102003023107) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 396249 + ... + 600848.

It is an arithmetic number, because the mean of its divisors is an integer number (2307949504).

Almost surely, 2^102003023100 is an apocalyptic number.

102003023100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102003023100 is an abundant number, since it is smaller than the sum of its proper divisors (230341705476).

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

102003023100 is a wasteful number, since it uses less digits than its factorization.

102003023100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997156 (or 997149 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 102003023100 its reverse (1320300201), we get a palindrome (103323323301).

The spelling of 102003023100 in words is "one hundred two billion, three million, twenty-three thousand, one hundred".