23289043 has 4 divisors (see below), whose sum is σ = 23305968. Its totient is φ = 23272120.

The previous prime is 23289037. The next prime is 23289047. The reversal of 23289043 is 34098232.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23289043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23288996 and 23289014.

It is not an unprimeable number, because it can be changed into a prime (23289047) 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, 6196 + ... + 9217.

It is an arithmetic number, because the mean of its divisors is an integer number (5826492).

Almost surely, 2^23289043 is an apocalyptic number.

23289043 is a deficient number, since it is larger than the sum of its proper divisors (16925).

23289043 is a wasteful number, since it uses less digits than its factorization.

23289043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16924.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 23289043 is about 4825.8722527643. The cubic root of 23289043 is about 285.5730462510.

The spelling of 23289043 in words is "twenty-three million, two hundred eighty-nine thousand, forty-three".