123030133013100 has 72 divisors (see below), whose sum is σ = 355999593331648. Its totient is φ = 32805048513600.

The previous prime is 123030133013087. The next prime is 123030133013107. The reversal of 123030133013100 is 1310331030321.

It is a super-2 number, since 2×123030133013100² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123030133013107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15366886 + ... + 21959085.

Almost surely, 2^{123030133013100} is an apocalyptic number.

123030133013100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123030133013100 is an abundant number, since it is smaller than the sum of its proper divisors (232969460318548).

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

123030133013100 is a wasteful number, since it uses less digits than its factorization.

123030133013100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37336975 (or 37336968 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 123030133013100 its reverse (1310331030321), we get a palindrome (124340464043421).

The spelling of 123030133013100 in words is "one hundred twenty-three trillion, thirty billion, one hundred thirty-three million, thirteen thousand, one hundred".