123999523324 has 24 divisors (see below), whose sum is σ = 221832576000. Its totient is φ = 60629791920.

The previous prime is 123999523321. The next prime is 123999523337. The reversal of 123999523324 is 423325999321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123999523321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1330374 + ... + 1420525.

It is an arithmetic number, because the mean of its divisors is an integer number (9243024000).

Almost surely, 2^123999523324 is an apocalyptic number.

It is an amenable number.

123999523324 is a deficient number, since it is larger than the sum of its proper divisors (97833052676).

123999523324 is a wasteful number, since it uses less digits than its factorization.

123999523324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2751153 (or 2751151 counting only the distinct ones).

The product of its digits is 3149280, while the sum is 52.

The spelling of 123999523324 in words is "one hundred twenty-three billion, nine hundred ninety-nine million, five hundred twenty-three thousand, three hundred twenty-four".