23634019 has 2 divisors, whose sum is σ = 23634020. Its totient is φ = 23634018.

The previous prime is 23633989. The next prime is 23634077. The reversal of 23634019 is 91043632.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23634019 - 2¹³ = 23625827 is a prime.

It is a super-2 number, since 2×23634019² = 1117133708184722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23634089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11817009 + 11817010.

It is an arithmetic number, because the mean of its divisors is an integer number (11817010).

Almost surely, 2^23634019 is an apocalyptic number.

23634019 is a deficient number, since it is larger than the sum of its proper divisors (1).

23634019 is an equidigital number, since it uses as much as digits as its factorization.

23634019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 23634019 is about 4861.4832098856. The cubic root of 23634019 is about 286.9761864769.

The spelling of 23634019 in words is "twenty-three million, six hundred thirty-four thousand, nineteen".