23436019 has 2 divisors, whose sum is σ = 23436020. Its totient is φ = 23436018.

The previous prime is 23435999. The next prime is 23436053. The reversal of 23436019 is 91063432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23436019 - 2¹⁹ = 22911731 is a prime.

It is a super-2 number, since 2×23436019² = 1098493973136722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23436619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11718009 + 11718010.

It is an arithmetic number, because the mean of its divisors is an integer number (11718010).

Almost surely, 2^23436019 is an apocalyptic number.

23436019 is a deficient number, since it is larger than the sum of its proper divisors (1).

23436019 is an equidigital number, since it uses as much as digits as its factorization.

23436019 is an odious number, because the sum of its binary digits is odd.

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

The square root of 23436019 is about 4841.0762233206. The cubic root of 23436019 is about 286.1725327005.

The spelling of 23436019 in words is "twenty-three million, four hundred thirty-six thousand, nineteen".