123235052025426 has 128 divisors (see below), whose sum is σ = 286213304272896. Its totient is φ = 34959937889280.

The previous prime is 123235052025403. The next prime is 123235052025439. The reversal of 123235052025426 is 624520250532321.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 192371385 + ... + 193010931.

It is an arithmetic number, because the mean of its divisors is an integer number (2236041439632).

Almost surely, 2^{123235052025426} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123235052025426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143106652136448).

123235052025426 is an abundant number, since it is smaller than the sum of its proper divisors (162978252247470).

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

123235052025426 is a wasteful number, since it uses less digits than its factorization.

123235052025426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640496.

The product of its (nonzero) digits is 864000, while the sum is 42.

The spelling of 123235052025426 in words is "one hundred twenty-three trillion, two hundred thirty-five billion, fifty-two million, twenty-five thousand, four hundred twenty-six".