3123230100 has 72 divisors (see below), whose sum is σ = 9102625728. Its totient is φ = 826771200.

The previous prime is 3123229999. The next prime is 3123230113. The reversal of 3123230100 is 10323213.

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 3123230100.

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, 3105 + ... + 79095.

Almost surely, 2^3123230100 is an apocalyptic number.

3123230100 is a gapful number since it is divisible by the number (30) 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 3123230100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4551312864).

3123230100 is an abundant number, since it is smaller than the sum of its proper divisors (5979395628).

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

3123230100 is a wasteful number, since it uses less digits than its factorization.

3123230100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76145 (or 76138 counting only the distinct ones).

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

The square root of 3123230100 is about 55885.8667285388. The cubic root of 3123230100 is about 1461.7328053022.

Adding to 3123230100 its reverse (10323213), we get a palindrome (3133553313).

The spelling of 3123230100 in words is "three billion, one hundred twenty-three million, two hundred thirty thousand, one hundred".