23920450 has 24 divisors (see below), whose sum is σ = 44854272. Its totient is φ = 9490320.

The previous prime is 23920433. The next prime is 23920453. The reversal of 23920450 is 5402932.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (23920453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4467 + ... + 8233.

It is an arithmetic number, because the mean of its divisors is an integer number (1868928).

Almost surely, 2^23920450 is an apocalyptic number.

23920450 is a deficient number, since it is larger than the sum of its proper divisors (20933822).

23920450 is a wasteful number, since it uses less digits than its factorization.

23920450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3906 (or 3901 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 23920450 is about 4890.8537087098. The cubic root of 23920450 is about 288.1308642031.

The spelling of 23920450 in words is "twenty-three million, nine hundred twenty thousand, four hundred fifty".