123012233344100 has 18 divisors (see below), whose sum is σ = 266936546356914. Its totient is φ = 49204893337600.

The previous prime is 123012233344051. The next prime is 123012233344153. The reversal of 123012233344100 is 1443332210321.

It can be written as a sum of positive squares in 3 ways, for example, as 320356 + 123012233023744 = 566^2 + 11091088^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 615061166621 + ... + 615061166820.

Almost surely, 2^{123012233344100} is an apocalyptic number.

123012233344100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123012233344100 is an abundant number, since it is smaller than the sum of its proper divisors (143924313012814).

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

123012233344100 is a wasteful number, since it uses less digits than its factorization.

123012233344100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1230122333455 (or 1230122333448 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 123012233344100 its reverse (1443332210321), we get a palindrome (124455565554421).

The spelling of 123012233344100 in words is "one hundred twenty-three trillion, twelve billion, two hundred thirty-three million, three hundred forty-four thousand, one hundred".