123023212100 has 36 divisors (see below), whose sum is σ = 281010920400. Its totient is φ = 46619321760.

The previous prime is 123023212079. The next prime is 123023212127. The reversal of 123023212100 is 1212320321.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32372630 + ... + 32376429.

It is an arithmetic number, because the mean of its divisors is an integer number (7805858900).

Almost surely, 2^123023212100 is an apocalyptic number.

123023212100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123023212100 is an abundant number, since it is smaller than the sum of its proper divisors (157987708300).

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

123023212100 is a wasteful number, since it uses less digits than its factorization.

123023212100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64749092 (or 64749085 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 123023212100 its reverse (1212320321), we get a palindrome (124235532421).

The spelling of 123023212100 in words is "one hundred twenty-three billion, twenty-three million, two hundred twelve thousand, one hundred".