123145596 has 96 divisors (see below), whose sum is σ = 369564160. Its totient is φ = 35166960.

The previous prime is 123145579. The next prime is 123145597. The reversal of 123145596 is 695541321.

123145596 is a `hidden beast` number, since 1 + 23 + 1 + 45 + 596 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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

It is a self number, because there is not a number n which added to its sum of digits gives 123145596.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123145597) 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, 60231 + ... + 62241.

Almost surely, 2^123145596 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123145596, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184782080).

123145596 is an abundant number, since it is smaller than the sum of its proper divisors (246418564).

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

123145596 is an equidigital number, since it uses as much as digits as its factorization.

123145596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2043 (or 2023 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 123145596 is about 11097.0985397085. The cubic root of 123145596 is about 497.5151326592.

The spelling of 123145596 in words is "one hundred twenty-three million, one hundred forty-five thousand, five hundred ninety-six".