23898061 has 4 divisors (see below), whose sum is σ = 26070624. Its totient is φ = 21725500.

The previous prime is 23898023. The next prime is 23898089. The reversal of 23898061 is 16089832.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23898061 - 2¹³ = 23889869 is a prime.

It is a super-2 number, since 2×23898061² = 1142234639119442, which contains 22 as substring.

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 23898061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23898011) 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, 1086265 + ... + 1086286.

It is an arithmetic number, because the mean of its divisors is an integer number (6517656).

Almost surely, 2^23898061 is an apocalyptic number.

It is an amenable number.

23898061 is a deficient number, since it is larger than the sum of its proper divisors (2172563).

23898061 is a wasteful number, since it uses less digits than its factorization.

23898061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2172562.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 23898061 is about 4888.5643086698. The cubic root of 23898061 is about 288.0409414854.

The spelling of 23898061 in words is "twenty-three million, eight hundred ninety-eight thousand, sixty-one".