123102344100 has 36 divisors (see below), whose sum is σ = 356176116464. Its totient is φ = 32827291680.

The previous prime is 123102344087. The next prime is 123102344149. The reversal of 123102344100 is 1443201321.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 205170274 + ... + 205170873.

Almost surely, 2^123102344100 is an apocalyptic number.

123102344100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123102344100 is an abundant number, since it is smaller than the sum of its proper divisors (233073772364).

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

123102344100 is a wasteful number, since it uses less digits than its factorization.

123102344100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410341164 (or 410341157 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 123102344100 its reverse (1443201321), we get a palindrome (124545545421).

The spelling of 123102344100 in words is "one hundred twenty-three billion, one hundred two million, three hundred forty-four thousand, one hundred".