23800447 has 4 divisors (see below), whose sum is σ = 25964136. Its totient is φ = 21636760.

The previous prime is 23800433. The next prime is 23800453. The reversal of 23800447 is 74400832.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23800447 - 2²³ = 15411839 is a prime.

It is a super-2 number, since 2×23800447² = 1132922554799618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23800487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1081828 + ... + 1081849.

It is an arithmetic number, because the mean of its divisors is an integer number (6491034).

Almost surely, 2^23800447 is an apocalyptic number.

23800447 is a deficient number, since it is larger than the sum of its proper divisors (2163689).

23800447 is a wasteful number, since it uses less digits than its factorization.

23800447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2163688.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 23800447 is about 4878.5701798785. The cubic root of 23800447 is about 287.6482290451.

The spelling of 23800447 in words is "twenty-three million, eight hundred thousand, four hundred forty-seven".