123303216452152 has 24 divisors (see below), whose sum is σ = 254121814900800. Its totient is φ = 56046916568720.

The previous prime is 123303216452147. The next prime is 123303216452159. The reversal of 123303216452152 is 251254612303321.

It is a super-2 number, since 2×123303216452152² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123303216452159) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 63689676952 + ... + 63689678887.

It is an arithmetic number, because the mean of its divisors is an integer number (10588408954200).

Almost surely, 2^{123303216452152} is an apocalyptic number.

It is an amenable number.

123303216452152 is an abundant number, since it is smaller than the sum of its proper divisors (130818598448648).

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

123303216452152 is a wasteful number, since it uses less digits than its factorization.

123303216452152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127379355867 (or 127379355852 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 40.

Adding to 123303216452152 its reverse (251254612303321), we get a palindrome (374557828755473).

The spelling of 123303216452152 in words is "one hundred twenty-three trillion, three hundred three billion, two hundred sixteen million, four hundred fifty-two thousand, one hundred fifty-two".