23299819 has 2 divisors, whose sum is σ = 23299820. Its totient is φ = 23299818.

The previous prime is 23299811. The next prime is 23299823. The reversal of 23299819 is 91899232.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23299819 - 2³ = 23299811 is a prime.

It is a super-2 number, since 2×23299819² = 1085763130865522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23299811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11649909 + 11649910.

It is an arithmetic number, because the mean of its divisors is an integer number (11649910).

Almost surely, 2^23299819 is an apocalyptic number.

23299819 is a deficient number, since it is larger than the sum of its proper divisors (1).

23299819 is an equidigital number, since it uses as much as digits as its factorization.

23299819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 43.

The square root of 23299819 is about 4826.9886057458. The cubic root of 23299819 is about 285.6170849953.

The spelling of 23299819 in words is "twenty-three million, two hundred ninety-nine thousand, eight hundred nineteen".