23034643 has 16 divisors (see below), whose sum is σ = 25470720. Its totient is φ = 20736000.

The previous prime is 23034629. The next prime is 23034679. The reversal of 23034643 is 34643032.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23034643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23034623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57243 + ... + 57643.

It is an arithmetic number, because the mean of its divisors is an integer number (1591920).

Almost surely, 2^23034643 is an apocalyptic number.

23034643 is a deficient number, since it is larger than the sum of its proper divisors (2436077).

23034643 is a wasteful number, since it uses less digits than its factorization.

23034643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558.

The product of its (nonzero) digits is 5184, while the sum is 25.

The square root of 23034643 is about 4799.4419467267. The cubic root of 23034643 is about 284.5294090879.

Adding to 23034643 its reverse (34643032), we get a palindrome (57677675).

The spelling of 23034643 in words is "twenty-three million, thirty-four thousand, six hundred forty-three".