923224513 has 4 divisors (see below), whose sum is σ = 923285440. Its totient is φ = 923163588.

The previous prime is 923224499. The next prime is 923224529. The reversal of 923224513 is 315422329.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 315422329 = 43 ⋅7335403.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-923224513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (923224583) 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, 11956 + ... + 44602.

It is an arithmetic number, because the mean of its divisors is an integer number (230821360).

Almost surely, 2^923224513 is an apocalyptic number.

It is an amenable number.

923224513 is a deficient number, since it is larger than the sum of its proper divisors (60927).

923224513 is a wasteful number, since it uses less digits than its factorization.

923224513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60926.

The product of its digits is 12960, while the sum is 31.

The square root of 923224513 is about 30384.6098049654. The cubic root of 923224513 is about 973.7237785705.

The spelling of 923224513 in words is "nine hundred twenty-three million, two hundred twenty-four thousand, five hundred thirteen".