123013000000 has 392 divisors, whose sum is σ = 340752513312. Its totient is φ = 43680000000.

The previous prime is 123012999881. The next prime is 123013000039. The reversal of 123013000000 is 310321.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 582999895 + ... + 583000105.

Almost surely, 2^123013000000 is an apocalyptic number.

123013000000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123013000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170376256656).

123013000000 is an abundant number, since it is smaller than the sum of its proper divisors (217739513312).

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

123013000000 is an frugal number, since it uses more digits than its factorization.

123013000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317 (or 282 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 10.

Adding to 123013000000 its reverse (310321), we get a palindrome (123013310321).

The spelling of 123013000000 in words is "one hundred twenty-three billion, thirteen million", and thus it is an aban number.