123133013232 has 40 divisors (see below), whose sum is σ = 322573818240. Its totient is φ = 40466247360.

The previous prime is 123133013209. The next prime is 123133013251. The reversal of 123133013232 is 232310331321.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 18061882 + ... + 18068697.

It is an arithmetic number, because the mean of its divisors is an integer number (8064345456).

Almost surely, 2^123133013232 is an apocalyptic number.

123133013232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123133013232 is an abundant number, since it is smaller than the sum of its proper divisors (199440805008).

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

123133013232 is a wasteful number, since it uses less digits than its factorization.

123133013232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36130661 (or 36130655 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 123133013232 its reverse (232310331321), we get a palindrome (355443344553).

The spelling of 123133013232 in words is "one hundred twenty-three billion, one hundred thirty-three million, thirteen thousand, two hundred thirty-two".