923149733 has 4 divisors (see below), whose sum is σ = 1007072448. Its totient is φ = 839227020.

The previous prime is 923149709. The next prime is 923149763. The reversal of 923149733 is 337941329.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 337941329 = 11 ⋅30721939.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-923149733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (923149763) 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, 41961341 + ... + 41961362.

It is an arithmetic number, because the mean of its divisors is an integer number (251768112).

Almost surely, 2^923149733 is an apocalyptic number.

It is an amenable number.

923149733 is a deficient number, since it is larger than the sum of its proper divisors (83922715).

923149733 is a wasteful number, since it uses less digits than its factorization.

923149733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83922714.

The product of its digits is 122472, while the sum is 41.

The square root of 923149733 is about 30383.3792228580. The cubic root of 923149733 is about 973.6974877354.

The spelling of 923149733 in words is "nine hundred twenty-three million, one hundred forty-nine thousand, seven hundred thirty-three".