905902323122 has 16 divisors (see below), whose sum is σ = 1430457725760. Its totient is φ = 429085935792.

The previous prime is 905902323119. The next prime is 905902323181. The reversal of 905902323122 is 221323209509.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62873 + ... + 1347500.

It is an arithmetic number, because the mean of its divisors is an integer number (89403607860).

Almost surely, 2^905902323122 is an apocalyptic number.

905902323122 is a deficient number, since it is larger than the sum of its proper divisors (524555402638).

905902323122 is a wasteful number, since it uses less digits than its factorization.

905902323122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1427297.

The product of its (nonzero) digits is 58320, while the sum is 38.

The spelling of 905902323122 in words is "nine hundred five billion, nine hundred two million, three hundred twenty-three thousand, one hundred twenty-two".