22823923439 has 4 divisors (see below), whose sum is σ = 22865649624. Its totient is φ = 22782197256.

The previous prime is 22823923429. The next prime is 22823923457. The reversal of 22823923439 is 93432932822.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93432932822 = 2 ⋅46716466411.

It is a cyclic number.

It is not a de Polignac number, because 22823923439 - 2²⁰ = 22822874863 is a prime.

It is a super-2 number, since 2×22823923439² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22823923393 and 22823923402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22823923429) 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, 20862272 + ... + 20863365.

It is an arithmetic number, because the mean of its divisors is an integer number (5716412406).

Almost surely, 2^22823923439 is an apocalyptic number.

22823923439 is a deficient number, since it is larger than the sum of its proper divisors (41726185).

22823923439 is an equidigital number, since it uses as much as digits as its factorization.

22823923439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41726184.

The product of its digits is 1119744, while the sum is 47.

The spelling of 22823923439 in words is "twenty-two billion, eight hundred twenty-three million, nine hundred twenty-three thousand, four hundred thirty-nine".