23423130 has 48 divisors (see below), whose sum is σ = 61166664. Its totient is φ = 6218880.

The previous prime is 23423129. The next prime is 23423137. The reversal of 23423130 is 3132432.

It can be written as a sum of positive squares in 4 ways, for example, as 10093329 + 13329801 = 3177^2 + 3651^2 .

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

It is not an unprimeable number, because it can be changed into a prime (23423137) 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, 28120 + ... + 28940.

Almost surely, 2^23423130 is an apocalyptic number.

23423130 is an abundant number, since it is smaller than the sum of its proper divisors (37743534).

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

23423130 is a wasteful number, since it uses less digits than its factorization.

23423130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1151 (or 1148 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 23423130 is about 4839.7448279842. The cubic root of 23423130 is about 286.1200614147.

Adding to 23423130 its reverse (3132432), we get a palindrome (26555562).

The spelling of 23423130 in words is "twenty-three million, four hundred twenty-three thousand, one hundred thirty".