23948090 has 16 divisors (see below), whose sum is σ = 43490088. Its totient is φ = 9494016.

The previous prime is 23948081. The next prime is 23948101. The reversal of 23948090 is 9084932.

It can be written as a sum of positive squares in 4 ways, for example, as 5121169 + 18826921 = 2263^2 + 4339^2 .

It is a super-2 number, since 2×23948090² = 1147022029296200, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23948090.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9467 + ... + 11726.

Almost surely, 2^23948090 is an apocalyptic number.

23948090 is a deficient number, since it is larger than the sum of its proper divisors (19541998).

23948090 is a wasteful number, since it uses less digits than its factorization.

23948090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21313.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 23948090 is about 4893.6785754686. The cubic root of 23948090 is about 288.2417995690.

The spelling of 23948090 in words is "twenty-three million, nine hundred forty-eight thousand, ninety".