123422402376 has 256 divisors, whose sum is σ = 425046182400. Its totient is φ = 32312659968.

The previous prime is 123422402371. The next prime is 123422402387. The reversal of 123422402376 is 673204224321.

123422402376 is a `hidden beast` number, since 1 + 2 + 3 + 42 + 240 + 2 + 376 = 666.

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 123422402376.

It is not an unprimeable number, because it can be changed into a prime (123422402371) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2669956 + ... + 2715788.

It is an arithmetic number, because the mean of its divisors is an integer number (1660336650).

Almost surely, 2^123422402376 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 123422402376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212523091200).

123422402376 is an abundant number, since it is smaller than the sum of its proper divisors (301623780024).

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

123422402376 is a wasteful number, since it uses less digits than its factorization.

123422402376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46005 (or 45995 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 36.

Adding to 123422402376 its reverse (673204224321), we get a palindrome (796626626697).

The spelling of 123422402376 in words is "one hundred twenty-three billion, four hundred twenty-two million, four hundred two thousand, three hundred seventy-six".