23901049 has 4 divisors (see below), whose sum is σ = 23912820. Its totient is φ = 23889280.

The previous prime is 23901043. The next prime is 23901067. The reversal of 23901049 is 94010932.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 9703225 + 14197824 = 3115^2 + 3768^2 .

It is a cyclic number.

It is not a de Polignac number, because 23901049 - 2³ = 23901041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23901041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1972 + ... + 7189.

It is an arithmetic number, because the mean of its divisors is an integer number (5978205).

Almost surely, 2^23901049 is an apocalyptic number.

It is an amenable number.

23901049 is a deficient number, since it is larger than the sum of its proper divisors (11771).

23901049 is an equidigital number, since it uses as much as digits as its factorization.

23901049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11770.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 23901049 is about 4888.8699103167. The cubic root of 23901049 is about 288.0529456736.

The spelling of 23901049 in words is "twenty-three million, nine hundred one thousand, forty-nine".