13203023100 has 72 divisors (see below), whose sum is σ = 38291851248. Its totient is φ = 3512409600.

The previous prime is 13203023087. The next prime is 13203023129. The reversal of 13203023100 is 132030231.

It is a super-2 number, since 2×13203023100² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 13203023100.

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, 74032 + ... + 178568.

Almost surely, 2^13203023100 is an apocalyptic number.

13203023100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13203023100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19145925624).

13203023100 is an abundant number, since it is smaller than the sum of its proper divisors (25088828148).

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

13203023100 is a wasteful number, since it uses less digits than its factorization.

13203023100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104975 (or 104968 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 13203023100 its reverse (132030231), we get a palindrome (13335053331).

13203023100 divided by its reverse (132030231) gives a square (100 = 10²).

The spelling of 13203023100 in words is "thirteen billion, two hundred three million, twenty-three thousand, one hundred".