23143667 has 2 divisors, whose sum is σ = 23143668. Its totient is φ = 23143666.

The previous prime is 23143607. The next prime is 23143697. The reversal of 23143667 is 76634132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23143667 - 2²² = 18949363 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23143607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11571833 + 11571834.

It is an arithmetic number, because the mean of its divisors is an integer number (11571834).

Almost surely, 2^23143667 is an apocalyptic number.

23143667 is a deficient number, since it is larger than the sum of its proper divisors (1).

23143667 is an equidigital number, since it uses as much as digits as its factorization.

23143667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 32.

The square root of 23143667 is about 4810.7865261306. The cubic root of 23143667 is about 284.9775995526.

Adding to 23143667 its reverse (76634132), we get a palindrome (99777799).

The spelling of 23143667 in words is "twenty-three million, one hundred forty-three thousand, six hundred sixty-seven".