23403150 has 72 divisors (see below), whose sum is σ = 63516024. Its totient is φ = 6177600.

The previous prime is 23403131. The next prime is 23403151. The reversal of 23403150 is 5130432.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23403151) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 58752 + ... + 59148.

It is an arithmetic number, because the mean of its divisors is an integer number (882167).

Almost surely, 2^23403150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23403150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31758012).

23403150 is an abundant number, since it is smaller than the sum of its proper divisors (40112874).

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

23403150 is a wasteful number, since it uses less digits than its factorization.

23403150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546 (or 538 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 23403150 is about 4837.6802292008. The cubic root of 23403150 is about 286.0386845158.

Adding to 23403150 its reverse (5130432), we get a palindrome (28533582).

The spelling of 23403150 in words is "twenty-three million, four hundred three thousand, one hundred fifty".