23402773 has 2 divisors, whose sum is σ = 23402774. Its totient is φ = 23402772.

The previous prime is 23402767. The next prime is 23402777. The reversal of 23402773 is 37720432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22061809 + 1340964 = 4697^2 + 1158^2 .

It is a cyclic number.

It is not a de Polignac number, because 23402773 - 2⁹ = 23402261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23402777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11701386 + 11701387.

It is an arithmetic number, because the mean of its divisors is an integer number (11701387).

Almost surely, 2^23402773 is an apocalyptic number.

It is an amenable number.

23402773 is a deficient number, since it is larger than the sum of its proper divisors (1).

23402773 is an equidigital number, since it uses as much as digits as its factorization.

23402773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 28.

The square root of 23402773 is about 4837.6412640873. The cubic root of 23402773 is about 286.0371485806.

The spelling of 23402773 in words is "twenty-three million, four hundred two thousand, seven hundred seventy-three".