23734019 has 2 divisors, whose sum is σ = 23734020. Its totient is φ = 23734018.

The previous prime is 23734001. The next prime is 23734031. The reversal of 23734019 is 91043732.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23734019 - 2¹⁶ = 23668483 is a prime.

It is a super-2 number, since 2×23734019² = 1126607315784722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 23733982 and 23734000.

It is not a weakly prime, because it can be changed into another prime (23734069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11867009 + 11867010.

It is an arithmetic number, because the mean of its divisors is an integer number (11867010).

Almost surely, 2^23734019 is an apocalyptic number.

23734019 is a deficient number, since it is larger than the sum of its proper divisors (1).

23734019 is an equidigital number, since it uses as much as digits as its factorization.

23734019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 23734019 is about 4871.7572804892. The cubic root of 23734019 is about 287.3803671131.

The spelling of 23734019 in words is "twenty-three million, seven hundred thirty-four thousand, nineteen".