123213301100 has 36 divisors (see below), whose sum is σ = 267392198304. Its totient is φ = 49281756480.

The previous prime is 123213301093. The next prime is 123213301121. The reversal of 123213301100 is 1103312321.

It is a super-2 number, since 2×123213301100² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1675709 + ... + 1747691.

It is an arithmetic number, because the mean of its divisors is an integer number (7427561064).

Almost surely, 2^123213301100 is an apocalyptic number.

123213301100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123213301100 is an abundant number, since it is smaller than the sum of its proper divisors (144178897204).

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

123213301100 is a wasteful number, since it uses less digits than its factorization.

123213301100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89114 (or 89107 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 123213301100 its reverse (1103312321), we get a palindrome (124316613421).

The spelling of 123213301100 in words is "one hundred twenty-three billion, two hundred thirteen million, three hundred one thousand, one hundred".