23036261 has 4 divisors (see below), whose sum is σ = 23572032. Its totient is φ = 22500492.

The previous prime is 23036249. The next prime is 23036263. The reversal of 23036261 is 16263032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23036261 - 2⁶ = 23036197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23036263) 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, 267821 + ... + 267906.

It is an arithmetic number, because the mean of its divisors is an integer number (5893008).

Almost surely, 2^23036261 is an apocalyptic number.

It is an amenable number.

23036261 is a deficient number, since it is larger than the sum of its proper divisors (535771).

23036261 is an equidigital number, since it uses as much as digits as its factorization.

23036261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535770.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 23036261 is about 4799.6105050306. The cubic root of 23036261 is about 284.5360709060.

Adding to 23036261 its reverse (16263032), we get a palindrome (39299293).

The spelling of 23036261 in words is "twenty-three million, thirty-six thousand, two hundred sixty-one".