1223023057 has 2 divisors, whose sum is σ = 1223023058. Its totient is φ = 1223023056.

The previous prime is 1223023007. The next prime is 1223023063. The reversal of 1223023057 is 7503203221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 976187536 + 246835521 = 31244^2 + 15711^2 .

It is a cyclic number.

It is not a de Polignac number, because 1223023057 - 2⁷ = 1223022929 is a prime.

It is not a weakly prime, because it can be changed into another prime (1223023007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611511528 + 611511529.

It is an arithmetic number, because the mean of its divisors is an integer number (611511529).

Almost surely, 2^1223023057 is an apocalyptic number.

It is an amenable number.

1223023057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223023057 is an equidigital number, since it uses as much as digits as its factorization.

1223023057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 1223023057 is about 34971.7465534680. The cubic root of 1223023057 is about 1069.4115776547.

Adding to 1223023057 its reverse (7503203221), we get a palindrome (8726226278).

The spelling of 1223023057 in words is "one billion, two hundred twenty-three million, twenty-three thousand, fifty-seven".