23120263 has 4 divisors (see below), whose sum is σ = 23187240. Its totient is φ = 23053288.

The previous prime is 23120249. The next prime is 23120299. The reversal of 23120263 is 36202132.

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 23120263 - 2²¹ = 21023111 is a prime.

It is a super-2 number, since 2×23120263² = 1069093122378338, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23120263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23420263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32968 + ... + 33661.

It is an arithmetic number, because the mean of its divisors is an integer number (5796810).

Almost surely, 2^23120263 is an apocalyptic number.

23120263 is a deficient number, since it is larger than the sum of its proper divisors (66977).

23120263 is an equidigital number, since it uses as much as digits as its factorization.

23120263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66976.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 23120263 is about 4808.3534603854. The cubic root of 23120263 is about 284.8815060912.

Adding to 23120263 its reverse (36202132), we get a palindrome (59322395).

The spelling of 23120263 in words is "twenty-three million, one hundred twenty thousand, two hundred sixty-three".