123401100100 has 36 divisors (see below), whose sum is σ = 268390460800. Its totient is φ = 49247984160.

The previous prime is 123401099951. The next prime is 123401100113. The reversal of 123401100100 is 1001104321.

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, 1361580 + ... + 1449379.

Almost surely, 2^123401100100 is an apocalyptic number.

123401100100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123401100100 is an abundant number, since it is smaller than the sum of its proper divisors (144989360700).

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

123401100100 is a wasteful number, since it uses less digits than its factorization.

123401100100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2811412 (or 2811405 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 123401100100 its reverse (1001104321), we get a palindrome (124402204421).

The spelling of 123401100100 in words is "one hundred twenty-three billion, four hundred one million, one hundred thousand, one hundred".