123223057 has 2 divisors, whose sum is σ = 123223058. Its totient is φ = 123223056.

The previous prime is 123223043. The next prime is 123223073. The reversal of 123223057 is 750322321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100982401 + 22240656 = 10049^2 + 4716^2 .

It is a cyclic number.

It is not a de Polignac number, because 123223057 - 2¹¹ = 123221009 is a prime.

It is not a weakly prime, because it can be changed into another prime (123223007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61611528 + 61611529.

It is an arithmetic number, because the mean of its divisors is an integer number (61611529).

Almost surely, 2^123223057 is an apocalyptic number.

It is an amenable number.

123223057 is a deficient number, since it is larger than the sum of its proper divisors (1).

123223057 is an equidigital number, since it uses as much as digits as its factorization.

123223057 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 123223057 is about 11100.5881375718. The cubic root of 123223057 is about 497.6194263933.

Adding to 123223057 its reverse (750322321), we get a palindrome (873545378).

The spelling of 123223057 in words is "one hundred twenty-three million, two hundred twenty-three thousand, fifty-seven".