23722873 has 2 divisors, whose sum is σ = 23722874. Its totient is φ = 23722872.

The previous prime is 23722859. The next prime is 23722877. The reversal of 23722873 is 37822732.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18939904 + 4782969 = 4352^2 + 2187^2 .

It is a cyclic number.

It is not a de Polignac number, because 23722873 - 2¹³ = 23714681 is a prime.

It is not a weakly prime, because it can be changed into another prime (23722877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11861436 + 11861437.

It is an arithmetic number, because the mean of its divisors is an integer number (11861437).

Almost surely, 2^23722873 is an apocalyptic number.

It is an amenable number.

23722873 is a deficient number, since it is larger than the sum of its proper divisors (1).

23722873 is an equidigital number, since it uses as much as digits as its factorization.

23722873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28224, while the sum is 34.

The square root of 23722873 is about 4870.6132057473. The cubic root of 23722873 is about 287.3353734253.

The spelling of 23722873 in words is "twenty-three million, seven hundred twenty-two thousand, eight hundred seventy-three".