123264141351511 has 4 divisors (see below), whose sum is σ = 123469239757024. Its totient is φ = 123059042946000.

The previous prime is 123264141351509. The next prime is 123264141351521. The reversal of 123264141351511 is 115153141462321.

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 123264141351511 - 2¹ = 123264141351509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123264141351521) 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, 102549201855 + ... + 102549203056.

It is an arithmetic number, because the mean of its divisors is an integer number (30867309939256).

Almost surely, 2^{123264141351511} is an apocalyptic number.

123264141351511 is a deficient number, since it is larger than the sum of its proper divisors (205098405513).

123264141351511 is an equidigital number, since it uses as much as digits as its factorization.

123264141351511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205098405512.

The product of its digits is 86400, while the sum is 40.

The spelling of 123264141351511 in words is "one hundred twenty-three trillion, two hundred sixty-four billion, one hundred forty-one million, three hundred fifty-one thousand, five hundred eleven".