123321053 has 2 divisors, whose sum is σ = 123321054. Its totient is φ = 123321052.

The previous prime is 123321049. The next prime is 123321067. The reversal of 123321053 is 350123321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117570649 + 5750404 = 10843^2 + 2398^2 .

It is a cyclic number.

It is not a de Polignac number, because 123321053 - 2² = 123321049 is a prime.

It is a super-2 number, since 2×123321053² = 30416164226057618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123321353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61660526 + 61660527.

It is an arithmetic number, because the mean of its divisors is an integer number (61660527).

Almost surely, 2^123321053 is an apocalyptic number.

It is an amenable number.

123321053 is a deficient number, since it is larger than the sum of its proper divisors (1).

123321053 is an equidigital number, since it uses as much as digits as its factorization.

123321053 is an evil number, because the sum of its binary digits is even.

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

The square root of 123321053 is about 11105.0012606933. The cubic root of 123321053 is about 497.7513059109.

Adding to 123321053 its reverse (350123321), we get a palindrome (473444374).

The spelling of 123321053 in words is "one hundred twenty-three million, three hundred twenty-one thousand, fifty-three".