23087773 has 2 divisors, whose sum is σ = 23087774. Its totient is φ = 23087772.

The previous prime is 23087767. The next prime is 23087789. The reversal of 23087773 is 37778032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18344089 + 4743684 = 4283^2 + 2178^2 .

It is a cyclic number.

It is not a de Polignac number, because 23087773 - 2¹⁷ = 22956701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23087573) 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, 11543886 + 11543887.

It is an arithmetic number, because the mean of its divisors is an integer number (11543887).

Almost surely, 2^23087773 is an apocalyptic number.

It is an amenable number.

23087773 is a deficient number, since it is larger than the sum of its proper divisors (1).

23087773 is an equidigital number, since it uses as much as digits as its factorization.

23087773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 49392, while the sum is 37.

The square root of 23087773 is about 4804.9737772437. The cubic root of 23087773 is about 284.7479992603.

The spelling of 23087773 in words is "twenty-three million, eighty-seven thousand, seven hundred seventy-three".