23430312 has 24 divisors (see below), whose sum is σ = 63457290. Its totient is φ = 7810080.

The previous prime is 23430271. The next prime is 23430317. The reversal of 23430312 is 21303432.

It can be written as a sum of positive squares in only one way, i.e., 19766916 + 3663396 = 4446^2 + 1914^2 .

It is a tau number, because it is divible by the number of its divisors (24).

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 (23430317) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 162639 + ... + 162782.

Almost surely, 2^23430312 is an apocalyptic number.

It is an amenable number.

23430312 is an abundant number, since it is smaller than the sum of its proper divisors (40026978).

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

23430312 is a wasteful number, since it uses less digits than its factorization.

23430312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325433 (or 325426 counting only the distinct ones).

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

The square root of 23430312 is about 4840.4867523835. The cubic root of 23430312 is about 286.1493018035.

Adding to 23430312 its reverse (21303432), we get a palindrome (44733744).

The spelling of 23430312 in words is "twenty-three million, four hundred thirty thousand, three hundred twelve".