23661119 has 2 divisors, whose sum is σ = 23661120. Its totient is φ = 23661118.

The previous prime is 23661103. The next prime is 23661149. The reversal of 23661119 is 91116632.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23661119 - 2⁴ = 23661103 is a prime.

It is a super-2 number, since 2×23661119² = 1119697104664322, which contains 22 as substring.

It is a Chen prime.

It is equal to p_1487216 and since 23661119 and 1487216 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 23661091 and 23661100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23661149) 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 as a sum of consecutive naturals, namely, 11830559 + 11830560.

It is an arithmetic number, because the mean of its divisors is an integer number (11830560).

Almost surely, 2^23661119 is an apocalyptic number.

23661119 is a deficient number, since it is larger than the sum of its proper divisors (1).

23661119 is an equidigital number, since it uses as much as digits as its factorization.

23661119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1944, while the sum is 29.

The square root of 23661119 is about 4864.2696265729. The cubic root of 23661119 is about 287.0858318716.

The spelling of 23661119 in words is "twenty-three million, six hundred sixty-one thousand, one hundred nineteen".