23021450 has 24 divisors (see below), whose sum is σ = 43003200. Its totient is φ = 9169200.

The previous prime is 23021443. The next prime is 23021473. The reversal of 23021450 is 5412032.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12701 + ... + 14399.

It is an arithmetic number, because the mean of its divisors is an integer number (1791800).

Almost surely, 2^23021450 is an apocalyptic number.

23021450 is a deficient number, since it is larger than the sum of its proper divisors (19981750).

23021450 is a wasteful number, since it uses less digits than its factorization.

23021450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1982 (or 1977 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 23021450 is about 4798.0673192443. The cubic root of 23021450 is about 284.4750776854.

Adding to 23021450 its reverse (5412032), we get a palindrome (28433482).

The spelling of 23021450 in words is "twenty-three million, twenty-one thousand, four hundred fifty".