23132315 has 4 divisors (see below), whose sum is σ = 27758784. Its totient is φ = 18505848.

The previous prime is 23132311. The next prime is 23132371. The reversal of 23132315 is 51323132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23132315 - 2² = 23132311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23132311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2313227 + ... + 2313236.

It is an arithmetic number, because the mean of its divisors is an integer number (6939696).

Almost surely, 2^23132315 is an apocalyptic number.

23132315 is a deficient number, since it is larger than the sum of its proper divisors (4626469).

23132315 is an equidigital number, since it uses as much as digits as its factorization.

23132315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4626468.

The product of its digits is 540, while the sum is 20.

The square root of 23132315 is about 4809.6065327634. The cubic root of 23132315 is about 284.9309979663.

Adding to 23132315 its reverse (51323132), we get a palindrome (74455447).

The spelling of 23132315 in words is "twenty-three million, one hundred thirty-two thousand, three hundred fifteen".