23100198 has 16 divisors (see below), whose sum is σ = 50400576. Its totient is φ = 7000040.

The previous prime is 23100191. The next prime is 23100199. The reversal of 23100198 is 89100132.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23100191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174936 + ... + 175067.

It is an arithmetic number, because the mean of its divisors is an integer number (3150036).

Almost surely, 2^23100198 is an apocalyptic number.

23100198 is an abundant number, since it is smaller than the sum of its proper divisors (27300378).

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

23100198 is a wasteful number, since it uses less digits than its factorization.

23100198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350019.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 23100198 is about 4806.2665344319. The cubic root of 23100198 is about 284.7990704400.

It can be divided in two parts, 23100 and 198, that multiplied together give a triangular number (4573800 = T₃₀₂₄).

The spelling of 23100198 in words is "twenty-three million, one hundred thousand, one hundred ninety-eight".