123243542114190 has 64 divisors (see below), whose sum is σ = 308954271914496. Its totient is φ = 31404503129472.

The previous prime is 123243542114141. The next prime is 123243542114191. The reversal of 123243542114190 is 91411245342321.

It is a happy number.

It is a super-2 number, since 2×123243542114190² (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 (123243542114191) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88887712 + ... + 90263571.

It is an arithmetic number, because the mean of its divisors is an integer number (4827410498664).

Almost surely, 2^{123243542114190} is an apocalyptic number.

123243542114190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123243542114190 is an abundant number, since it is smaller than the sum of its proper divisors (185710729800306).

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

123243542114190 is a wasteful number, since it uses less digits than its factorization.

123243542114190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179152313.

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 123243542114190 in words is "one hundred twenty-three trillion, two hundred forty-three billion, five hundred forty-two million, one hundred fourteen thousand, one hundred ninety".