23223042 has 12 divisors (see below), whose sum is σ = 50316630. Its totient is φ = 7741008.

The previous prime is 23223041. The next prime is 23223047. The reversal of 23223042 is 24032232.

It can be written as a sum of positive squares in only one way, i.e., 22953681 + 269361 = 4791^2 + 519^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1290169 = 23223042 / (2 + 3 + 2 + 2 + 3 + 0 + 4 + 2).

It is not an unprimeable number, because it can be changed into a prime (23223041) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 645067 + ... + 645102.

Almost surely, 2^23223042 is an apocalyptic number.

23223042 is an abundant number, since it is smaller than the sum of its proper divisors (27093588).

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

23223042 is a wasteful number, since it uses less digits than its factorization.

23223042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290177 (or 1290174 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 23223042 is about 4819.0291553382. The cubic root of 23223042 is about 285.3030202728.

Adding to 23223042 its reverse (24032232), we get a palindrome (47255274).

The spelling of 23223042 in words is "twenty-three million, two hundred twenty-three thousand, forty-two".