123013203030306 has 16 divisors (see below), whose sum is σ = 273362673400800. Its totient is φ = 41004401010084.

The previous prime is 123013203030293. The next prime is 123013203030317. The reversal of 123013203030306 is 603030302310321.

It is a happy number.

123013203030306 is a `hidden beast` number, since 1 + 2 + 3 + 0 + 1 + 320 + 3 + 0 + 30 + 306 = 666.

It is a super-2 number, since 2×123013203030306² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 123013203030306.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1139011139116 + ... + 1139011139223.

It is an arithmetic number, because the mean of its divisors is an integer number (17085167087550).

Almost surely, 2^{123013203030306} is an apocalyptic number.

123013203030306 is an abundant number, since it is smaller than the sum of its proper divisors (150349470370494).

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

123013203030306 is a wasteful number, since it uses less digits than its factorization.

123013203030306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2278022278350 (or 2278022278344 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

Adding to 123013203030306 its reverse (603030302310321), we get a palindrome (726043505340627).

The spelling of 123013203030306 in words is "one hundred twenty-three trillion, thirteen billion, two hundred three million, thirty thousand, three hundred six".