23533043 has 2 divisors, whose sum is σ = 23533044. Its totient is φ = 23533042.

The previous prime is 23533009. The next prime is 23533063. The reversal of 23533043 is 34033532.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23533043 is a prime.

It is a super-2 number, since 2×23533043² = 1107608225679698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23533063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11766521 + 11766522.

It is an arithmetic number, because the mean of its divisors is an integer number (11766522).

Almost surely, 2^23533043 is an apocalyptic number.

23533043 is a deficient number, since it is larger than the sum of its proper divisors (1).

23533043 is an equidigital number, since it uses as much as digits as its factorization.

23533043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 23.

The square root of 23533043 is about 4851.0867854533. The cubic root of 23533043 is about 286.5669025180.

Adding to 23533043 its reverse (34033532), we get a palindrome (57566575).

The spelling of 23533043 in words is "twenty-three million, five hundred thirty-three thousand, forty-three".