23450019 has 4 divisors (see below), whose sum is σ = 31266696. Its totient is φ = 15633344.

The previous prime is 23450017. The next prime is 23450027. The reversal of 23450019 is 91005432.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23450019 - 2¹ = 23450017 is a prime.

It is a super-2 number, since 2×23450019² = 1099806782200722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23450017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3908334 + ... + 3908339.

It is an arithmetic number, because the mean of its divisors is an integer number (7816674).

Almost surely, 2^23450019 is an apocalyptic number.

23450019 is a deficient number, since it is larger than the sum of its proper divisors (7816677).

23450019 is an equidigital number, since it uses as much as digits as its factorization.

23450019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7816676.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 23450019 is about 4842.5219669094. The cubic root of 23450019 is about 286.2295050892.

The spelling of 23450019 in words is "twenty-three million, four hundred fifty thousand, nineteen".