23049198 has 40 divisors (see below), whose sum is σ = 52330080. Its totient is φ = 7581600.

The previous prime is 23049193. The next prime is 23049199. The reversal of 23049198 is 89194032.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23049193) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11898 + ... + 13698.

It is an arithmetic number, because the mean of its divisors is an integer number (1308252).

Almost surely, 2^23049198 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23049198, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26165040).

23049198 is an abundant number, since it is smaller than the sum of its proper divisors (29280882).

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

23049198 is a wasteful number, since it uses less digits than its factorization.

23049198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1894 (or 1885 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 23049198 is about 4800.9580293937. The cubic root of 23049198 is about 284.5893254147.

The spelling of 23049198 in words is "twenty-three million, forty-nine thousand, one hundred ninety-eight".