23898073 has 4 divisors (see below), whose sum is σ = 25303860. Its totient is φ = 22492288.

The previous prime is 23898023. The next prime is 23898089. The reversal of 23898073 is 37089832.

It is a happy number.

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 11309769 + 12588304 = 3363^2 + 3548^2 .

It is a cyclic number.

It is not a de Polignac number, because 23898073 - 2⁹ = 23897561 is a prime.

It is a super-2 number, since 2×23898073² = 1142235786226658, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23898023) 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, 702868 + ... + 702901.

It is an arithmetic number, because the mean of its divisors is an integer number (6325965).

Almost surely, 2^23898073 is an apocalyptic number.

It is an amenable number.

23898073 is a deficient number, since it is larger than the sum of its proper divisors (1405787).

23898073 is a wasteful number, since it uses less digits than its factorization.

23898073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405786.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 23898073 is about 4888.5655360238. The cubic root of 23898073 is about 288.0409896970.

The spelling of 23898073 in words is "twenty-three million, eight hundred ninety-eight thousand, seventy-three".