23130330 has 16 divisors (see below), whose sum is σ = 55512864. Its totient is φ = 6168080.

The previous prime is 23130323. The next prime is 23130347. The reversal of 23130330 is 3303132.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385476 + ... + 385535.

It is an arithmetic number, because the mean of its divisors is an integer number (3469554).

Almost surely, 2^23130330 is an apocalyptic number.

23130330 is an abundant number, since it is smaller than the sum of its proper divisors (32382534).

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

23130330 is a wasteful number, since it uses less digits than its factorization.

23130330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771021.

The product of its (nonzero) digits is 162, while the sum is 15.

The square root of 23130330 is about 4809.4001704994. The cubic root of 23130330 is about 284.9228476909.

Adding to 23130330 its reverse (3303132), we get a palindrome (26433462).

The spelling of 23130330 in words is "twenty-three million, one hundred thirty thousand, three hundred thirty".