23237643 has 16 divisors (see below), whose sum is σ = 36400896. Its totient is φ = 12999840.

The previous prime is 23237597. The next prime is 23237651. The reversal of 23237643 is 34673232.

It is not a de Polignac number, because 23237643 - 2⁹ = 23237131 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23237643.

It is not an unprimeable number, because it can be changed into a prime (23237653) 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, 26655 + ... + 27512.

It is an arithmetic number, because the mean of its divisors is an integer number (2275056).

Almost surely, 2^23237643 is an apocalyptic number.

23237643 is a deficient number, since it is larger than the sum of its proper divisors (13163253).

23237643 is a wasteful number, since it uses less digits than its factorization.

23237643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54194.

The product of its digits is 18144, while the sum is 30.

The square root of 23237643 is about 4820.5438489863. The cubic root of 23237643 is about 285.3628005070.

The spelling of 23237643 in words is "twenty-three million, two hundred thirty-seven thousand, six hundred forty-three".