23990941 has 4 divisors (see below), whose sum is σ = 25836412. Its totient is φ = 22145472.

The previous prime is 23990921. The next prime is 23990951. The reversal of 23990941 is 14909932.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10374841 + 13616100 = 3221^2 + 3690^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23990941 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23990941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23990921) 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 3 ways as a sum of consecutive naturals, for example, 922716 + ... + 922741.

It is an arithmetic number, because the mean of its divisors is an integer number (6459103).

Almost surely, 2^23990941 is an apocalyptic number.

It is an amenable number.

23990941 is a deficient number, since it is larger than the sum of its proper divisors (1845471).

23990941 is a wasteful number, since it uses less digits than its factorization.

23990941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1845470.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 23990941 is about 4898.0548179864. The cubic root of 23990941 is about 288.4136168863.

The spelling of 23990941 in words is "twenty-three million, nine hundred ninety thousand, nine hundred forty-one".