23078243 has 4 divisors (see below), whose sum is σ = 23290080. Its totient is φ = 22866408.

The previous prime is 23078239. The next prime is 23078257. The reversal of 23078243 is 34287032.

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 23078243 - 2² = 23078239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23078213) 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, 105755 + ... + 105972.

It is an arithmetic number, because the mean of its divisors is an integer number (5822520).

Almost surely, 2^23078243 is an apocalyptic number.

23078243 is a deficient number, since it is larger than the sum of its proper divisors (211837).

23078243 is a wasteful number, since it uses less digits than its factorization.

23078243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211836.

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

The square root of 23078243 is about 4803.9819941378. The cubic root of 23078243 is about 284.7088151448.

The spelling of 23078243 in words is "twenty-three million, seventy-eight thousand, two hundred forty-three".