23461619 has 2 divisors, whose sum is σ = 23461620. Its totient is φ = 23461618.

The previous prime is 23461579. The next prime is 23461621. The reversal of 23461619 is 91616432.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23461619 - 2⁸ = 23461363 is a prime.

It is a super-2 number, since 2×23461619² = 1100895132202322, which contains 22 as substring.

Together with 23461621, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23461639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11730809 + 11730810.

It is an arithmetic number, because the mean of its divisors is an integer number (11730810).

Almost surely, 2^23461619 is an apocalyptic number.

23461619 is a deficient number, since it is larger than the sum of its proper divisors (1).

23461619 is an equidigital number, since it uses as much as digits as its factorization.

23461619 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 32.

The square root of 23461619 is about 4843.7195418397. The cubic root of 23461619 is about 286.2766936072.

The spelling of 23461619 in words is "twenty-three million, four hundred sixty-one thousand, six hundred nineteen".