23203043100 has 108 divisors (see below), whose sum is σ = 73449022920. Its totient is φ = 6126192000.

The previous prime is 23203043099. The next prime is 23203043117. The reversal of 23203043100 is 134030232.

23203043100 is a `hidden beast` number, since 2 + 320 + 30 + 4 + 310 + 0 = 666.

It is a super-2 number, since 2×23203043100² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 36730 + ... + 218529.

Almost surely, 2^23203043100 is an apocalyptic number.

23203043100 is a gapful number since it is divisible by the number (20) 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 23203043100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36724511460).

23203043100 is an abundant number, since it is smaller than the sum of its proper divisors (50245979820).

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

23203043100 is a wasteful number, since it uses less digits than its factorization.

23203043100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255380 (or 255370 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 23203043100 its reverse (134030232), we get a palindrome (23337073332).

The spelling of 23203043100 in words is "twenty-three billion, two hundred three million, forty-three thousand, one hundred".