23263501 has 2 divisors, whose sum is σ = 23263502. Its totient is φ = 23263500.

The previous prime is 23263469. The next prime is 23263507. The reversal of 23263501 is 10536232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11737476 + 11526025 = 3426^2 + 3395^2 .

It is a cyclic number.

It is not a de Polignac number, because 23263501 - 2⁵ = 23263469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23263507) 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 as a sum of consecutive naturals, namely, 11631750 + 11631751.

It is an arithmetic number, because the mean of its divisors is an integer number (11631751).

Almost surely, 2^23263501 is an apocalyptic number.

It is an amenable number.

23263501 is a deficient number, since it is larger than the sum of its proper divisors (1).

23263501 is an equidigital number, since it uses as much as digits as its factorization.

23263501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 23263501 is about 4823.2251657993. The cubic root of 23263501 is about 285.4686083693.

Adding to 23263501 its reverse (10536232), we get a palindrome (33799733).

The spelling of 23263501 in words is "twenty-three million, two hundred sixty-three thousand, five hundred one".