23003022 has 64 divisors (see below), whose sum is σ = 55148544. Its totient is φ = 6259680.

The previous prime is 23003021. The next prime is 23003027. The reversal of 23003022 is 22030032.

It is a super-2 number, since 2×23003022² = 1058278042264968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23002989 and 23003007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23003021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84747 + ... + 85017.

It is an arithmetic number, because the mean of its divisors is an integer number (861696).

Almost surely, 2^23003022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23003022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27574272).

23003022 is an abundant number, since it is smaller than the sum of its proper divisors (32145522).

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

23003022 is a wasteful number, since it uses less digits than its factorization.

23003022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373.

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 23003022 is about 4796.1465782438. The cubic root of 23003022 is about 284.3991527528.

Adding to 23003022 its reverse (22030032), we get a palindrome (45033054).

The spelling of 23003022 in words is "twenty-three million, three thousand, twenty-two".