123310323100 has 36 divisors (see below), whose sum is σ = 267951624304. Its totient is φ = 49256254080.

The previous prime is 123310323091. The next prime is 123310323107. The reversal of 123310323100 is 1323013321.

It is a super-2 number, since 2×123310323100² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123310323107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 775377 + ... + 920776.

Almost surely, 2^123310323100 is an apocalyptic number.

123310323100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123310323100 is an abundant number, since it is smaller than the sum of its proper divisors (144641301204).

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

123310323100 is a wasteful number, since it uses less digits than its factorization.

123310323100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1696894 (or 1696887 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 123310323100 its reverse (1323013321), we get a palindrome (124633336421).

The spelling of 123310323100 in words is "one hundred twenty-three billion, three hundred ten million, three hundred twenty-three thousand, one hundred".