23263819 has 2 divisors, whose sum is σ = 23263820. Its totient is φ = 23263818.

The previous prime is 23263783. The next prime is 23263831. The reversal of 23263819 is 91836232.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23263819 is a prime.

It is a super-2 number, since 2×23263819² = 1082410548929522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23263319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11631909 + 11631910.

It is an arithmetic number, because the mean of its divisors is an integer number (11631910).

Almost surely, 2^23263819 is an apocalyptic number.

23263819 is a deficient number, since it is larger than the sum of its proper divisors (1).

23263819 is an equidigital number, since it uses as much as digits as its factorization.

23263819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 34.

The square root of 23263819 is about 4823.2581311806. The cubic root of 23263819 is about 285.4699090994.

The spelling of 23263819 in words is "twenty-three million, two hundred sixty-three thousand, eight hundred nineteen".