23173783 has 2 divisors, whose sum is σ = 23173784. Its totient is φ = 23173782.

The previous prime is 23173763. The next prime is 23173793. The reversal of 23173783 is 38737132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23173783 - 2⁵ = 23173751 is a prime.

It is equal to p_1458529 and since 23173783 and 1458529 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23173723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11586891 + 11586892.

It is an arithmetic number, because the mean of its divisors is an integer number (11586892).

Almost surely, 2^23173783 is an apocalyptic number.

23173783 is a deficient number, since it is larger than the sum of its proper divisors (1).

23173783 is an equidigital number, since it uses as much as digits as its factorization.

23173783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21168, while the sum is 34.

The square root of 23173783 is about 4813.9155580463. The cubic root of 23173783 is about 285.1011562536.

The spelling of 23173783 in words is "twenty-three million, one hundred seventy-three thousand, seven hundred eighty-three".