23430120 has 64 divisors (see below), whose sum is σ = 80334720. Its totient is φ = 5355264.

The previous prime is 23430119. The next prime is 23430133. The reversal of 23430120 is 2103432.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 23430120.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13107 + ... + 14786.

It is an arithmetic number, because the mean of its divisors is an integer number (1255230).

Almost surely, 2^23430120 is an apocalyptic number.

23430120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23430120 is an abundant number, since it is smaller than the sum of its proper divisors (56904600).

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

23430120 is a wasteful number, since it uses less digits than its factorization.

23430120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27914 (or 27910 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 23430120 is about 4840.4669196267. The cubic root of 23430120 is about 286.1485201833.

Adding to 23430120 its reverse (2103432), we get a palindrome (25533552).

The spelling of 23430120 in words is "twenty-three million, four hundred thirty thousand, one hundred twenty".