123423143616 has 84 divisors (see below), whose sum is σ = 362398766184. Its totient is φ = 40137600000.

The previous prime is 123423143611. The next prime is 123423143621. The reversal of 123423143616 is 616341324321.

123423143616 is a `hidden beast` number, since 1 + 2 + 3 + 4 + 2 + 31 + 4 + 3 + 616 = 666.

It is an interprime number because it is at equal distance from previous prime (123423143611) and next prime (123423143621).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (123423143611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2589510 + ... + 2636741.

It is an arithmetic number, because the mean of its divisors is an integer number (4314271026).

Almost surely, 2^123423143616 is an apocalyptic number.

123423143616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

123423143616 is an abundant number, since it is smaller than the sum of its proper divisors (238975622568).

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

123423143616 is a wasteful number, since it uses less digits than its factorization.

123423143616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5226310 (or 5226297 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

Adding to 123423143616 its reverse (616341324321), we get a palindrome (739764467937).

The spelling of 123423143616 in words is "one hundred twenty-three billion, four hundred twenty-three million, one hundred forty-three thousand, six hundred sixteen".