23263513 has 16 divisors (see below), whose sum is σ = 28838656. Its totient is φ = 18273600.

The previous prime is 23263507. The next prime is 23263529. The reversal of 23263513 is 31536232.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 23263513 - 2¹³ = 23255321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23263553) 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 15 ways as a sum of consecutive naturals, for example, 12895 + ... + 14587.

It is an arithmetic number, because the mean of its divisors is an integer number (1802416).

Almost surely, 2^23263513 is an apocalyptic number.

It is an amenable number.

23263513 is a deficient number, since it is larger than the sum of its proper divisors (5575143).

23263513 is a wasteful number, since it uses less digits than its factorization.

23263513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1864.

The product of its digits is 3240, while the sum is 25.

The square root of 23263513 is about 4823.2264097801. The cubic root of 23263513 is about 285.4686574537.

Adding to 23263513 its reverse (31536232), we get a palindrome (54799745).

The spelling of 23263513 in words is "twenty-three million, two hundred sixty-three thousand, five hundred thirteen".