23898105 has 128 divisors (see below), whose sum is σ = 56217600. Its totient is φ = 9408960.

The previous prime is 23898089. The next prime is 23898113. The reversal of 23898105 is 50189832.

It is not a de Polignac number, because 23898105 - 2⁴ = 23898089 is a prime.

It is a super-2 number, since 2×23898105² = 1142238845182050, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 23898105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1257786 + ... + 1257804.

It is an arithmetic number, because the mean of its divisors is an integer number (439200).

Almost surely, 2^23898105 is an apocalyptic number.

It is an amenable number.

23898105 is an abundant number, since it is smaller than the sum of its proper divisors (32319495).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23898105 is a wasteful number, since it uses less digits than its factorization.

23898105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73 (or 45 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 23898105 is about 4888.5688089665. The cubic root of 23898105 is about 288.0411182611.

The spelling of 23898105 in words is "twenty-three million, eight hundred ninety-eight thousand, one hundred five".