23399850 has 48 divisors (see below), whose sum is σ = 58353408. Its totient is φ = 6205440.

The previous prime is 23399833. The next prime is 23399851. The reversal of 23399850 is 5899332.

It is a junction number, because it is equal to n+sod(n) for n = 23399799 and 23399808.

It is not an unprimeable number, because it can be changed into a prime (23399851) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38247 + ... + 38853.

It is an arithmetic number, because the mean of its divisors is an integer number (1215696).

Almost surely, 2^23399850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23399850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29176704).

23399850 is an abundant number, since it is smaller than the sum of its proper divisors (34953558).

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

23399850 is a wasteful number, since it uses less digits than its factorization.

23399850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879 (or 874 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 23399850 is about 4837.3391446125. The cubic root of 23399850 is about 286.0252394307.

The spelling of 23399850 in words is "twenty-three million, three hundred ninety-nine thousand, eight hundred fifty".