123312053 has 2 divisors, whose sum is σ = 123312054. Its totient is φ = 123312052.

The previous prime is 123312037. The next prime is 123312061. The reversal of 123312053 is 350213321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119617969 + 3694084 = 10937^2 + 1922^2 .

It is a cyclic number.

It is not a de Polignac number, because 123312053 - 2⁴ = 123312037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123312023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61656026 + 61656027.

It is an arithmetic number, because the mean of its divisors is an integer number (61656027).

Almost surely, 2^123312053 is an apocalyptic number.

It is an amenable number.

123312053 is a deficient number, since it is larger than the sum of its proper divisors (1).

123312053 is an equidigital number, since it uses as much as digits as its factorization.

123312053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 123312053 is about 11104.5960304731. The cubic root of 123312053 is about 497.7391969464.

Adding to 123312053 its reverse (350213321), we get a palindrome (473525374).

The spelling of 123312053 in words is "one hundred twenty-three million, three hundred twelve thousand, fifty-three".