923899899122 has 6 divisors (see below), whose sum is σ = 1385851887693. Its totient is φ = 461949269892.

The previous prime is 923899899107. The next prime is 923899899149. The reversal of 923899899122 is 221998998329.

It can be written as a sum of positive squares in 2 ways, for example, as 721155925681 + 202743973441 = 849209^2 + 450271^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=679669.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1019504 + ... + 1699172.

Almost surely, 2^923899899122 is an apocalyptic number.

923899899122 is a deficient number, since it is larger than the sum of its proper divisors (461951988571).

923899899122 is an frugal number, since it uses more digits than its factorization.

923899899122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1359340 (or 679671 counting only the distinct ones).

The product of its digits is 90699264, while the sum is 71.

The spelling of 923899899122 in words is "nine hundred twenty-three billion, eight hundred ninety-nine million, eight hundred ninety-nine thousand, one hundred twenty-two".