123033324344542 has 4 divisors (see below), whose sum is σ = 184549986516816. Its totient is φ = 61516662172270.

The previous prime is 123033324344507. The next prime is 123033324344551. The reversal of 123033324344542 is 245443423330321.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30758331086134 + ... + 30758331086137.

It is an arithmetic number, because the mean of its divisors is an integer number (46137496629204).

Almost surely, 2^{123033324344542} is an apocalyptic number.

123033324344542 is a deficient number, since it is larger than the sum of its proper divisors (61516662172274).

123033324344542 is an equidigital number, since it uses as much as digits as its factorization.

123033324344542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61516662172273.

The product of its (nonzero) digits is 2488320, while the sum is 43.

Adding to 123033324344542 its reverse (245443423330321), we get a palindrome (368476747674863).

The spelling of 123033324344542 in words is "one hundred twenty-three trillion, thirty-three billion, three hundred twenty-four million, three hundred forty-four thousand, five hundred forty-two".