23250890 has 16 divisors (see below), whose sum is σ = 45071208. Its totient is φ = 8584896.

The previous prime is 23250869. The next prime is 23250893. The reversal of 23250890 is 9805232.

It can be written as a sum of positive squares in 4 ways, for example, as 15594601 + 7656289 = 3949^2 + 2767^2 .

It is not an unprimeable number, because it can be changed into a prime (23250893) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 89297 + ... + 89556.

Almost surely, 2^23250890 is an apocalyptic number.

23250890 is a deficient number, since it is larger than the sum of its proper divisors (21820318).

23250890 is a wasteful number, since it uses less digits than its factorization.

23250890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178873.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 23250890 is about 4821.9176683141. The cubic root of 23250890 is about 285.4170154565.

The spelling of 23250890 in words is "twenty-three million, two hundred fifty thousand, eight hundred ninety".