23136219 has 8 divisors (see below), whose sum is σ = 34275920. Its totient is φ = 15424128.

The previous prime is 23136203. The next prime is 23136221. The reversal of 23136219 is 91263132.

23136219 is a `hidden beast` number, since 2 + 31 + 3 + 621 + 9 = 666.

It is not a de Polignac number, because 23136219 - 2⁴ = 23136203 is a prime.

It is a super-2 number, since 2×23136219² = 1070569259231922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 856897 = 23136219 / (2 + 3 + 1 + 3 + 6 + 2 + 1 + 9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23136192 and 23136201.

It is not an unprimeable number, because it can be changed into a prime (23136299) 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 7 ways as a sum of consecutive naturals, for example, 428422 + ... + 428475.

It is an arithmetic number, because the mean of its divisors is an integer number (4284490).

Almost surely, 2^23136219 is an apocalyptic number.

23136219 is a deficient number, since it is larger than the sum of its proper divisors (11139701).

23136219 is an equidigital number, since it uses as much as digits as its factorization.

23136219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856906 (or 856900 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 23136219 is about 4810.0123700465. The cubic root of 23136219 is about 284.9470261653.

The spelling of 23136219 in words is "twenty-three million, one hundred thirty-six thousand, two hundred nineteen".