23440783 has 2 divisors, whose sum is σ = 23440784. Its totient is φ = 23440782.

The previous prime is 23440763. The next prime is 23440799. The reversal of 23440783 is 38704432.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23440783 - 2⁹ = 23440271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23440763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11720391 + 11720392.

It is an arithmetic number, because the mean of its divisors is an integer number (11720392).

Almost surely, 2^23440783 is an apocalyptic number.

23440783 is a deficient number, since it is larger than the sum of its proper divisors (1).

23440783 is an equidigital number, since it uses as much as digits as its factorization.

23440783 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 23440783 is about 4841.5682376685. The cubic root of 23440783 is about 286.1919221366.

The spelling of 23440783 in words is "twenty-three million, four hundred forty thousand, seven hundred eighty-three".