123222140423529 has 16 divisors (see below), whose sum is σ = 187767423034752. Its totient is φ = 70412519703168.

The previous prime is 123222140423519. The next prime is 123222140423533. The reversal of 123222140423529 is 925324041222321.

It is not a de Polignac number, because 123222140423529 - 2¹¹ = 123222140421481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123222140423519) 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, 6591087 + ... + 17026059.

It is an arithmetic number, because the mean of its divisors is an integer number (11735463939672).

Almost surely, 2^{123222140423529} is an apocalyptic number.

It is an amenable number.

123222140423529 is a deficient number, since it is larger than the sum of its proper divisors (64545282611223).

123222140423529 is a wasteful number, since it uses less digits than its factorization.

123222140423529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10997296.

The product of its (nonzero) digits is 414720, while the sum is 42.

The spelling of 123222140423529 in words is "one hundred twenty-three trillion, two hundred twenty-two billion, one hundred forty million, four hundred twenty-three thousand, five hundred twenty-nine".