23320777 has 2 divisors, whose sum is σ = 23320778. Its totient is φ = 23320776.

The previous prime is 23320709. The next prime is 23320783. The reversal of 23320777 is 77702332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16451136 + 6869641 = 4056^2 + 2621^2 .

It is a cyclic number.

It is not a de Polignac number, because 23320777 - 2¹⁵ = 23288009 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23321777) 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, 11660388 + 11660389.

It is an arithmetic number, because the mean of its divisors is an integer number (11660389).

Almost surely, 2^23320777 is an apocalyptic number.

It is an amenable number.

23320777 is a deficient number, since it is larger than the sum of its proper divisors (1).

23320777 is an equidigital number, since it uses as much as digits as its factorization.

23320777 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12348, while the sum is 31.

The square root of 23320777 is about 4829.1590365197. The cubic root of 23320777 is about 285.7026960894.

The spelling of 23320777 in words is "twenty-three million, three hundred twenty thousand, seven hundred seventy-seven".