23347823 has 2 divisors, whose sum is σ = 23347824. Its totient is φ = 23347822.

The previous prime is 23347801. The next prime is 23347837. The reversal of 23347823 is 32874332.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23347823 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23347823.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23347843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11673911 + 11673912.

It is an arithmetic number, because the mean of its divisors is an integer number (11673912).

Almost surely, 2^23347823 is an apocalyptic number.

23347823 is a deficient number, since it is larger than the sum of its proper divisors (1).

23347823 is an equidigital number, since it uses as much as digits as its factorization.

23347823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 32.

The square root of 23347823 is about 4831.9585056165. The cubic root of 23347823 is about 285.8131002138.

The spelling of 23347823 in words is "twenty-three million, three hundred forty-seven thousand, eight hundred twenty-three".