123020321032 has 64 divisors (see below), whose sum is σ = 265491072000. Its totient is φ = 52348887360.

The previous prime is 123020320993. The next prime is 123020321071. The reversal of 123020321032 is 230123020321.

It is an interprime number because it is at equal distance from previous prime (123020320993) and next prime (123020321071).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5460463 + ... + 5482945.

It is an arithmetic number, because the mean of its divisors is an integer number (4148298000).

Almost surely, 2^123020321032 is an apocalyptic number.

It is an amenable number.

123020321032 is an abundant number, since it is smaller than the sum of its proper divisors (142470750968).

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

123020321032 is a wasteful number, since it uses less digits than its factorization.

123020321032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23186 (or 23182 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 123020321032 its reverse (230123020321), we get a palindrome (353143341353).

The spelling of 123020321032 in words is "one hundred twenty-three billion, twenty million, three hundred twenty-one thousand, thirty-two".