123315441132502 has 16 divisors (see below), whose sum is σ = 185171015859120. Its totient is φ = 61591786933248.

The previous prime is 123315441132473. The next prime is 123315441132529. The reversal of 123315441132502 is 205231144513321.

It is a super-2 number, since 2×123315441132502² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

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, 9468649 + ... + 18338107.

It is an arithmetic number, because the mean of its divisors is an integer number (11573188491195).

Almost surely, 2^{123315441132502} is an apocalyptic number.

123315441132502 is a deficient number, since it is larger than the sum of its proper divisors (61855574726618).

123315441132502 is a wasteful number, since it uses less digits than its factorization.

123315441132502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8876895.

The product of its (nonzero) digits is 86400, while the sum is 37.

Adding to 123315441132502 its reverse (205231144513321), we get a palindrome (328546585645823).

The spelling of 123315441132502 in words is "one hundred twenty-three trillion, three hundred fifteen billion, four hundred forty-one million, one hundred thirty-two thousand, five hundred two".