23421150 has 60 divisors (see below), whose sum is σ = 65087352. Its totient is φ = 6244560.

The previous prime is 23421149. The next prime is 23421169. The reversal of 23421150 is 5112432.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1159 + ... + 6941.

Almost surely, 2^23421150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23421150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32543676).

23421150 is an abundant number, since it is smaller than the sum of its proper divisors (41666202).

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

23421150 is a wasteful number, since it uses less digits than its factorization.

23421150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5807 (or 5793 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 23421150 is about 4839.5402674221. The cubic root of 23421150 is about 286.1119991035. Note that the first 3 decimals are identical.

Adding to 23421150 its reverse (5112432), we get a palindrome (28533582).

The spelling of 23421150 in words is "twenty-three million, four hundred twenty-one thousand, one hundred fifty".