906751331923 has 4 divisors (see below), whose sum is σ = 920284933960. Its totient is φ = 893217729888.

The previous prime is 906751331917. The next prime is 906751331939. The reversal of 906751331923 is 329133157609.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 906751331923 - 2²⁹ = 906214461011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (906751331953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6766800918 + ... + 6766801051.

It is an arithmetic number, because the mean of its divisors is an integer number (230071233490).

Almost surely, 2^906751331923 is an apocalyptic number.

906751331923 is a deficient number, since it is larger than the sum of its proper divisors (13533602037).

906751331923 is a wasteful number, since it uses less digits than its factorization.

906751331923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13533602036.

The product of its (nonzero) digits is 918540, while the sum is 49.

The spelling of 906751331923 in words is "nine hundred six billion, seven hundred fifty-one million, three hundred thirty-one thousand, nine hundred twenty-three".