123245023398 has 32 divisors (see below), whose sum is σ = 282405450240. Its totient is φ = 35125046400.

The previous prime is 123245023379. The next prime is 123245023399. The reversal of 123245023398 is 893320542321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123245023399) 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, 3642018 + ... + 3675701.

It is an arithmetic number, because the mean of its divisors is an integer number (8825170320).

Almost surely, 2^123245023398 is an apocalyptic number.

123245023398 is an abundant number, since it is smaller than the sum of its proper divisors (159160426842).

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

123245023398 is a wasteful number, since it uses less digits than its factorization.

123245023398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7318132.

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 123245023398 in words is "one hundred twenty-three billion, two hundred forty-five million, twenty-three thousand, three hundred ninety-eight".