123340424826 has 16 divisors (see below), whose sum is σ = 251929378944. Its totient is φ = 40238720064.

The previous prime is 123340424777. The next prime is 123340424827. The reversal of 123340424826 is 628424043321.

It is not an unprimeable number, because it can be changed into a prime (123340424827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218688415 + ... + 218688978.

It is an arithmetic number, because the mean of its divisors is an integer number (15745586184).

Almost surely, 2^123340424826 is an apocalyptic number.

123340424826 is an abundant number, since it is smaller than the sum of its proper divisors (128588954118).

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

123340424826 is a wasteful number, since it uses less digits than its factorization.

123340424826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437377445.

The product of its (nonzero) digits is 221184, while the sum is 39.

The spelling of 123340424826 in words is "one hundred twenty-three billion, three hundred forty million, four hundred twenty-four thousand, eight hundred twenty-six".