123300512455011 has 16 divisors (see below), whose sum is σ = 174329961544224. Its totient is φ = 77250071937024.

The previous prime is 123300512454961. The next prime is 123300512455063. The reversal of 123300512455011 is 110554215003321.

It is not a de Polignac number, because 123300512455011 - 2⁶ = 123300512454947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123300512355011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1796144806 + ... + 1796213451.

It is an arithmetic number, because the mean of its divisors is an integer number (10895622596514).

Almost surely, 2^{123300512455011} is an apocalyptic number.

123300512455011 is a deficient number, since it is larger than the sum of its proper divisors (51029449089213).

123300512455011 is a wasteful number, since it uses less digits than its factorization.

123300512455011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3592358950.

The product of its (nonzero) digits is 18000, while the sum is 33.

Adding to 123300512455011 its reverse (110554215003321), we get a palindrome (233854727458332).

The spelling of 123300512455011 in words is "one hundred twenty-three trillion, three hundred billion, five hundred twelve million, four hundred fifty-five thousand, eleven".