23678219 has 2 divisors, whose sum is σ = 23678220. Its totient is φ = 23678218.

The previous prime is 23678191. The next prime is 23678243. The reversal of 23678219 is 91287632.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23678219 is a prime.

It is a super-2 number, since 2×23678219² = 1121316110023922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23678519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11839109 + 11839110.

It is an arithmetic number, because the mean of its divisors is an integer number (11839110).

Almost surely, 2^23678219 is an apocalyptic number.

23678219 is a deficient number, since it is larger than the sum of its proper divisors (1).

23678219 is an equidigital number, since it uses as much as digits as its factorization.

23678219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 38.

The square root of 23678219 is about 4866.0270241749. The cubic root of 23678219 is about 287.1549746366.

The spelling of 23678219 in words is "twenty-three million, six hundred seventy-eight thousand, two hundred nineteen".