123020013000 has 64 divisors (see below), whose sum is σ = 383822449920. Its totient is φ = 32805336000.

The previous prime is 123020012981. The next prime is 123020013019. The reversal of 123020013000 is 310020321.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (123020012981) and next prime (123020013019).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20500336 + ... + 20506335.

It is an arithmetic number, because the mean of its divisors is an integer number (5997225780).

Almost surely, 2^123020013000 is an apocalyptic number.

123020013000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123020013000 is an abundant number, since it is smaller than the sum of its proper divisors (260802436920).

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

123020013000 is a wasteful number, since it uses less digits than its factorization.

123020013000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41006695 (or 41006681 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 123020013000 its reverse (310020321), we get a palindrome (123330033321).

The spelling of 123020013000 in words is "one hundred twenty-three billion, twenty million, thirteen thousand".