123013000 has 128 divisors (see below), whose sum is σ = 321459840. Its totient is φ = 43680000.

The previous prime is 123012971. The next prime is 123013001. The reversal of 123013000 is 310321.

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

It is not an unprimeable number, because it can be changed into a prime (123013001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 582895 + ... + 583105.

It is an arithmetic number, because the mean of its divisors is an integer number (2511405).

Almost surely, 2^123013000 is an apocalyptic number.

123013000 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 123013000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160729920).

123013000 is an abundant number, since it is smaller than the sum of its proper divisors (198446840).

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

123013000 is a wasteful number, since it uses less digits than its factorization.

123013000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296 (or 282 counting only the distinct ones).

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

The square root of 123013000 is about 11091.1225761868. The cubic root of 123013000 is about 497.3365034326.

Adding to 123013000 its reverse (310321), we get a palindrome (123323321).

The spelling of 123013000 in words is "one hundred twenty-three million, thirteen thousand".