123242455224651 has 16 divisors (see below), whose sum is σ = 187811442560000. Its totient is φ = 70419229296768.

The previous prime is 123242455224643. The next prime is 123242455224661. The reversal of 123242455224651 is 156422554242321.

It is a happy number.

It is not a de Polignac number, because 123242455224651 - 2³ = 123242455224643 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123242455224651.

It is not an unprimeable number, because it can be changed into a prime (123242455224661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209317006 + ... + 209904963.

It is an arithmetic number, because the mean of its divisors is an integer number (11738215160000).

Almost surely, 2^{123242455224651} is an apocalyptic number.

123242455224651 is a deficient number, since it is larger than the sum of its proper divisors (64568987335349).

123242455224651 is a wasteful number, since it uses less digits than its factorization.

123242455224651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419235978.

The product of its digits is 4608000, while the sum is 48.

The spelling of 123242455224651 in words is "one hundred twenty-three trillion, two hundred forty-two billion, four hundred fifty-five million, two hundred twenty-four thousand, six hundred fifty-one".