123340010100 has 72 divisors (see below), whose sum is σ = 357123371808. Its totient is φ = 32866742400.

The previous prime is 123340010083. The next prime is 123340010191. The reversal of 123340010100 is 1010043321.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 123340010100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 265447 + ... + 563153.

Almost surely, 2^123340010100 is an apocalyptic number.

123340010100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123340010100 is an abundant number, since it is smaller than the sum of its proper divisors (233783361708).

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

123340010100 is a wasteful number, since it uses less digits than its factorization.

123340010100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299105 (or 299098 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 123340010100 its reverse (1010043321), we get a palindrome (124350053421).

The spelling of 123340010100 in words is "one hundred twenty-three billion, three hundred forty million, ten thousand, one hundred".