123032135044554 has 16 divisors (see below), whose sum is σ = 252714655767648. Its totient is φ = 39902314068432.

The previous prime is 123032135044537. The next prime is 123032135044573. The reversal of 123032135044554 is 455440531230321.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277099403032 + ... + 277099403475.

It is an arithmetic number, because the mean of its divisors is an integer number (15794665985478).

Almost surely, 2^{123032135044554} is an apocalyptic number.

123032135044554 is an abundant number, since it is smaller than the sum of its proper divisors (129682520723094).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123032135044554 is a wasteful number, since it uses less digits than its factorization.

123032135044554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554198806549.

The product of its (nonzero) digits is 864000, while the sum is 42.

Adding to 123032135044554 its reverse (455440531230321), we get a palindrome (578472666274875).

The spelling of 123032135044554 in words is "one hundred twenty-three trillion, thirty-two billion, one hundred thirty-five million, forty-four thousand, five hundred fifty-four".