23530378 has 12 divisors (see below), whose sum is σ = 35659350. Its totient is φ = 11644640.

The previous prime is 23530373. The next prime is 23530391. The reversal of 23530378 is 87303532.

It can be written as a sum of positive squares in 3 ways, for example, as 19421649 + 4108729 = 4407^2 + 2027^2 .

It is not an unprimeable number, because it can be changed into a prime (23530373) 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, 83598 + ... + 83878.

Almost surely, 2^23530378 is an apocalyptic number.

23530378 is a deficient number, since it is larger than the sum of its proper divisors (12128972).

23530378 is an equidigital number, since it uses as much as digits as its factorization.

23530378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713 (or 432 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 23530378 is about 4850.8120969586. The cubic root of 23530378 is about 286.5560846845.

The spelling of 23530378 in words is "twenty-three million, five hundred thirty thousand, three hundred seventy-eight".