23385447 has 24 divisors (see below), whose sum is σ = 35817600. Its totient is φ = 14661648.

The previous prime is 23385431. The next prime is 23385449. The reversal of 23385447 is 74458332.

It is a happy number.

It is not a de Polignac number, because 23385447 - 2⁴ = 23385431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23385449) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27454 + ... + 28292.

It is an arithmetic number, because the mean of its divisors is an integer number (1492400).

Almost surely, 2^23385447 is an apocalyptic number.

23385447 is a deficient number, since it is larger than the sum of its proper divisors (12432153).

23385447 is a wasteful number, since it uses less digits than its factorization.

23385447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027 (or 1024 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 23385447 is about 4835.8501837836. The cubic root of 23385447 is about 285.9665429427.

It can be divided in two parts, 23385 and 447, that added together give a palindrome (23832).

The spelling of 23385447 in words is "twenty-three million, three hundred eighty-five thousand, four hundred forty-seven".