123444312502422 has 32 divisors (see below), whose sum is σ = 255405011626080. Its totient is φ = 39728739572480.

The previous prime is 123444312502373. The next prime is 123444312502477. The reversal of 123444312502422 is 224205213444321.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10937068 + ... + 19144400.

It is an arithmetic number, because the mean of its divisors is an integer number (7981406613315).

Almost surely, 2^{123444312502422} is an apocalyptic number.

123444312502422 is an abundant number, since it is smaller than the sum of its proper divisors (131960699123658).

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

123444312502422 is a wasteful number, since it uses less digits than its factorization.

123444312502422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8293808.

The product of its (nonzero) digits is 368640, while the sum is 39.

Adding to 123444312502422 its reverse (224205213444321), we get a palindrome (347649525946743).

The spelling of 123444312502422 in words is "one hundred twenty-three trillion, four hundred forty-four billion, three hundred twelve million, five hundred two thousand, four hundred twenty-two".