23320450 has 12 divisors (see below), whose sum is σ = 43376130. Its totient is φ = 9328160.

The previous prime is 23320439. The next prime is 23320469. The reversal of 23320450 is 5402332.

It can be written as a sum of positive squares in 3 ways, for example, as 19105641 + 4214809 = 4371^2 + 2053^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 233155 + ... + 233254.

Almost surely, 2^23320450 is an apocalyptic number.

23320450 is a deficient number, since it is larger than the sum of its proper divisors (20055680).

23320450 is a wasteful number, since it uses less digits than its factorization.

23320450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466421 (or 466416 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 23320450 is about 4829.1251795745. The cubic root of 23320450 is about 285.7013607248.

Adding to 23320450 its reverse (5402332), we get a palindrome (28722782).

The spelling of 23320450 in words is "twenty-three million, three hundred twenty thousand, four hundred fifty".