123051310511001 has 16 divisors (see below), whose sum is σ = 166805074857408. Its totient is φ = 80666634888000.

The previous prime is 123051310510963. The next prime is 123051310511047. The reversal of 123051310511001 is 100115013150321.

It is not a de Polignac number, because 123051310511001 - 2⁷ = 123051310510873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123051310511081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94136850 + ... + 95435051.

It is an arithmetic number, because the mean of its divisors is an integer number (10425317178588).

Almost surely, 2^{123051310511001} is an apocalyptic number.

It is an amenable number.

123051310511001 is a deficient number, since it is larger than the sum of its proper divisors (43753764346407).

123051310511001 is a wasteful number, since it uses less digits than its factorization.

123051310511001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189575512.

The product of its (nonzero) digits is 450, while the sum is 24.

Adding to 123051310511001 its reverse (100115013150321), we get a palindrome (223166323661322).

The spelling of 123051310511001 in words is "one hundred twenty-three trillion, fifty-one billion, three hundred ten million, five hundred eleven thousand, one".