123012320020003 has 4 divisors (see below), whose sum is σ = 123013945973880. Its totient is φ = 123010694066128.

The previous prime is 123012320019971. The next prime is 123012320020033. The reversal of 123012320020003 is 300020023210321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 123012320020003 - 2⁵ = 123012320019971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123012320020033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 812863450 + ... + 813014767.

It is an arithmetic number, because the mean of its divisors is an integer number (30753486493470).

Almost surely, 2^{123012320020003} is an apocalyptic number.

123012320020003 is a deficient number, since it is larger than the sum of its proper divisors (1625953877).

123012320020003 is an equidigital number, since it uses as much as digits as its factorization.

123012320020003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1625953876.

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

Adding to 123012320020003 its reverse (300020023210321), we get a palindrome (423032343230324).

The spelling of 123012320020003 in words is "one hundred twenty-three trillion, twelve billion, three hundred twenty million, twenty thousand, three".