123532022503451 has 4 divisors (see below), whose sum is σ = 123532049831904. Its totient is φ = 123531995175000.

The previous prime is 123532022503441. The next prime is 123532022503471. The reversal of 123532022503451 is 154305220235321.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123532022503451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123532022503441) 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, 5090675 + ... + 16522076.

It is an arithmetic number, because the mean of its divisors is an integer number (30883012457976).

Almost surely, 2^{123532022503451} is an apocalyptic number.

123532022503451 is a deficient number, since it is larger than the sum of its proper divisors (27328453).

123532022503451 is an equidigital number, since it uses as much as digits as its factorization.

123532022503451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27328452.

The product of its (nonzero) digits is 216000, while the sum is 38.

Adding to 123532022503451 its reverse (154305220235321), we get a palindrome (277837242738772).

The spelling of 123532022503451 in words is "one hundred twenty-three trillion, five hundred thirty-two billion, twenty-two million, five hundred three thousand, four hundred fifty-one".