23072843 has 4 divisors (see below), whose sum is σ = 23082840. Its totient is φ = 23062848.

The previous prime is 23072839. The next prime is 23072849. The reversal of 23072843 is 34827032.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 23072843 - 2² = 23072839 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23072849) 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, 428 + ... + 6806.

It is an arithmetic number, because the mean of its divisors is an integer number (5770710).

Almost surely, 2^23072843 is an apocalyptic number.

23072843 is a deficient number, since it is larger than the sum of its proper divisors (9997).

23072843 is an equidigital number, since it uses as much as digits as its factorization.

23072843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9996.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 23072843 is about 4803.4199275100. The cubic root of 23072843 is about 284.6866073952.

Adding to 23072843 its reverse (34827032), we get a palindrome (57899875).

The spelling of 23072843 in words is "twenty-three million, seventy-two thousand, eight hundred forty-three".