623089899426 has 32 divisors (see below), whose sum is σ = 1270821581568. Its totient is φ = 203627874320.

The previous prime is 623089899407. The next prime is 623089899431. The reversal of 623089899426 is 624998980326.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4710276 + ... + 4840751.

It is an arithmetic number, because the mean of its divisors is an integer number (39713174424).

Almost surely, 2^623089899426 is an apocalyptic number.

623089899426 is an abundant number, since it is smaller than the sum of its proper divisors (647731682142).

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

623089899426 is a wasteful number, since it uses less digits than its factorization.

623089899426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9551246.

The product of its (nonzero) digits is 80621568, while the sum is 66.

The spelling of 623089899426 in words is "six hundred twenty-three billion, eighty-nine million, eight hundred ninety-nine thousand, four hundred twenty-six".