123140620526416 has 80 divisors (see below), whose sum is σ = 251494078348800. Its totient is φ = 58248050724864.

The previous prime is 123140620526411. The next prime is 123140620526431. The reversal of 123140620526416 is 614625026041321.

It is a super-2 number, since 2×123140620526416² (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 (123140620526411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 839222305 + ... + 839369023.

It is an arithmetic number, because the mean of its divisors is an integer number (3143675979360).

Almost surely, 2^{123140620526416} is an apocalyptic number.

123140620526416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

123140620526416 is an abundant number, since it is smaller than the sum of its proper divisors (128353457822384).

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

123140620526416 is a wasteful number, since it uses less digits than its factorization.

123140620526416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150596 (or 150590 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 43.

Adding to 123140620526416 its reverse (614625026041321), we get a palindrome (737765646567737).

The spelling of 123140620526416 in words is "one hundred twenty-three trillion, one hundred forty billion, six hundred twenty million, five hundred twenty-six thousand, four hundred sixteen".