22823923440 has 160 divisors (see below), whose sum is σ = 72670348800. Its totient is φ = 5923609600.

The previous prime is 22823923429. The next prime is 22823923457. The reversal of 22823923440 is 4432932822.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1422181 + ... + 1438139.

It is an arithmetic number, because the mean of its divisors is an integer number (454189680).

Almost surely, 2^22823923440 is an apocalyptic number.

22823923440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22823923440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36335174400).

22823923440 is an abundant number, since it is smaller than the sum of its proper divisors (49846425360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22823923440 is a wasteful number, since it uses less digits than its factorization.

22823923440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16135 (or 16129 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 39.

The spelling of 22823923440 in words is "twenty-two billion, eight hundred twenty-three million, nine hundred twenty-three thousand, four hundred forty".