23445667 has 6 divisors (see below), whose sum is σ = 27273588. Its totient is φ = 20096244.

The previous prime is 23445647. The next prime is 23445683. The reversal of 23445667 is 76654432.

It is a de Polignac number, because none of the positive numbers 2^k-23445667 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (23445647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 239193 + ... + 239290.

It is an arithmetic number, because the mean of its divisors is an integer number (4545598).

Almost surely, 2^23445667 is an apocalyptic number.

23445667 is a deficient number, since it is larger than the sum of its proper divisors (3827921).

23445667 is an equidigital number, since it uses as much as digits as its factorization.

23445667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478497 (or 478490 counting only the distinct ones).

The product of its digits is 120960, while the sum is 37.

The square root of 23445667 is about 4842.0725934253. The cubic root of 23445667 is about 286.2117972447.

The spelling of 23445667 in words is "twenty-three million, four hundred forty-five thousand, six hundred sixty-seven".