22923000 has 160 divisors (see below), whose sum is σ = 80411760. Its totient is φ = 6091200.

The previous prime is 22922993. The next prime is 22923011. The reversal of 22923000 is 32922.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 80859 + ... + 81141.

Almost surely, 2^22923000 is an apocalyptic number.

22923000 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 22923000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40205880).

22923000 is an abundant number, since it is smaller than the sum of its proper divisors (57488760).

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

22923000 is a wasteful number, since it uses less digits than its factorization.

22923000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316 (or 293 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 22923000 is about 4787.7969881773. The cubic root of 22923000 is about 284.0689841019.

Adding to 22923000 its reverse (32922), we get a palindrome (22955922).

The spelling of 22923000 in words is "twenty-two million, nine hundred twenty-three thousand".