23134663 has 4 divisors (see below), whose sum is σ = 23932440. Its totient is φ = 22336888.

The previous prime is 23134651. The next prime is 23134681. The reversal of 23134663 is 36643132.

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-23134663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23134613) 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, 398845 + ... + 398902.

It is an arithmetic number, because the mean of its divisors is an integer number (5983110).

Almost surely, 2^23134663 is an apocalyptic number.

23134663 is a deficient number, since it is larger than the sum of its proper divisors (797777).

23134663 is an equidigital number, since it uses as much as digits as its factorization.

23134663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797776.

The product of its digits is 7776, while the sum is 28.

The square root of 23134663 is about 4809.8506213811. The cubic root of 23134663 is about 284.9406380931.

Adding to 23134663 its reverse (36643132), we get a palindrome (59777795).

The spelling of 23134663 in words is "twenty-three million, one hundred thirty-four thousand, six hundred sixty-three".