23243747 has 2 divisors, whose sum is σ = 23243748. Its totient is φ = 23243746.

The previous prime is 23243741. The next prime is 23243771. The reversal of 23243747 is 74734232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23243747 - 2⁶ = 23243683 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23243741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11621873 + 11621874.

It is an arithmetic number, because the mean of its divisors is an integer number (11621874).

Almost surely, 2^23243747 is an apocalyptic number.

23243747 is a deficient number, since it is larger than the sum of its proper divisors (1).

23243747 is an equidigital number, since it uses as much as digits as its factorization.

23243747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28224, while the sum is 32.

The square root of 23243747 is about 4821.1769309993. The cubic root of 23243747 is about 285.3877844242.

Adding to 23243747 its reverse (74734232), we get a palindrome (97977979).

The spelling of 23243747 in words is "twenty-three million, two hundred forty-three thousand, seven hundred forty-seven".