23332513 has 6 divisors (see below), whose sum is σ = 24625554. Its totient is φ = 22104144.

The previous prime is 23332499. The next prime is 23332523. The reversal of 23332513 is 31523332.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 20277009 + 3055504 = 4503^2 + 1748^2 .

It is not a de Polignac number, because 23332513 - 2¹³ = 23324321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23332523) 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, 31956 + ... + 32677.

It is an arithmetic number, because the mean of its divisors is an integer number (4104259).

Almost surely, 2^23332513 is an apocalyptic number.

It is an amenable number.

23332513 is a deficient number, since it is larger than the sum of its proper divisors (1293041).

23332513 is an equidigital number, since it uses as much as digits as its factorization.

23332513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64671 (or 64652 counting only the distinct ones).

The product of its digits is 1620, while the sum is 22.

The square root of 23332513 is about 4830.3740020831. The cubic root of 23332513 is about 285.7506139402.

Adding to 23332513 its reverse (31523332), we get a palindrome (54855845).

The spelling of 23332513 in words is "twenty-three million, three hundred thirty-two thousand, five hundred thirteen".