123242535432433 has 4 divisors (see below), whose sum is σ = 123243542002548. Its totient is φ = 123241528862320.

The previous prime is 123242535432431. The next prime is 123242535432487. The reversal of 123242535432433 is 334234535242321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 101217422911969 + 22025112520464 = 10060687^2 + 4693092^2 .

It is a cyclic number.

It is not a de Polignac number, because 123242535432433 - 2¹ = 123242535432431 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123242535432431) 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, 503101378 + ... + 503346283.

It is an arithmetic number, because the mean of its divisors is an integer number (30810885500637).

Almost surely, 2^{123242535432433} is an apocalyptic number.

It is an amenable number.

123242535432433 is a deficient number, since it is larger than the sum of its proper divisors (1006570115).

123242535432433 is a wasteful number, since it uses less digits than its factorization.

123242535432433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006570114.

The product of its digits is 6220800, while the sum is 46.

The spelling of 123242535432433 in words is "one hundred twenty-three trillion, two hundred forty-two billion, five hundred thirty-five million, four hundred thirty-two thousand, four hundred thirty-three".