923442098239 has 4 divisors (see below), whose sum is σ = 948399992824. Its totient is φ = 898484203656.

The previous prime is 923442098231. The next prime is 923442098263. The reversal of 923442098239 is 932890244329.

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 923442098239 - 2³ = 923442098231 is a prime.

It is a super-2 number, since 2×923442098239² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 923442098239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (923442098231) 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, 12478947237 + ... + 12478947310.

It is an arithmetic number, because the mean of its divisors is an integer number (237099998206).

Almost surely, 2^923442098239 is an apocalyptic number.

923442098239 is a deficient number, since it is larger than the sum of its proper divisors (24957894585).

923442098239 is a wasteful number, since it uses less digits than its factorization.

923442098239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24957894584.

The product of its (nonzero) digits is 6718464, while the sum is 55.

The spelling of 923442098239 in words is "nine hundred twenty-three billion, four hundred forty-two million, ninety-eight thousand, two hundred thirty-nine".