23243047 has 2 divisors, whose sum is σ = 23243048. Its totient is φ = 23243046.

The previous prime is 23243021. The next prime is 23243089. The reversal of 23243047 is 74034232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23243047 - 2¹¹ = 23240999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23243747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11621523 + 11621524.

It is an arithmetic number, because the mean of its divisors is an integer number (11621524).

Almost surely, 2^23243047 is an apocalyptic number.

23243047 is a deficient number, since it is larger than the sum of its proper divisors (1).

23243047 is an equidigital number, since it uses as much as digits as its factorization.

23243047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 23243047 is about 4821.1043340712. The cubic root of 23243047 is about 285.3849195181.

Adding to 23243047 its reverse (74034232), we get a palindrome (97277279).

The spelling of 23243047 in words is "twenty-three million, two hundred forty-three thousand, forty-seven".