123242033 has 2 divisors, whose sum is σ = 123242034. Its totient is φ = 123242032.

The previous prime is 123242003. The next prime is 123242039. The reversal of 123242033 is 330242321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120736144 + 2505889 = 10988^2 + 1583^2 .

It is a cyclic number.

It is not a de Polignac number, because 123242033 - 2¹² = 123237937 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 123241996 and 123242014.

It is not a weakly prime, because it can be changed into another prime (123242039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61621016 + 61621017.

It is an arithmetic number, because the mean of its divisors is an integer number (61621017).

Almost surely, 2^123242033 is an apocalyptic number.

It is an amenable number.

123242033 is a deficient number, since it is larger than the sum of its proper divisors (1).

123242033 is an equidigital number, since it uses as much as digits as its factorization.

123242033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 123242033 is about 11101.4428341545. The cubic root of 123242033 is about 497.6449690739.

Adding to 123242033 its reverse (330242321), we get a palindrome (453484354).

The spelling of 123242033 in words is "one hundred twenty-three million, two hundred forty-two thousand, thirty-three".