123033247 has 2 divisors, whose sum is σ = 123033248. Its totient is φ = 123033246.

The previous prime is 123033221. The next prime is 123033259. The reversal of 123033247 is 742330321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123033247 - 2¹⁹ = 122508959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123033217) 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, 61516623 + 61516624.

It is an arithmetic number, because the mean of its divisors is an integer number (61516624).

Almost surely, 2^123033247 is an apocalyptic number.

123033247 is a deficient number, since it is larger than the sum of its proper divisors (1).

123033247 is an equidigital number, since it uses as much as digits as its factorization.

123033247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 123033247 is about 11092.0352956525. The cubic root of 123033247 is about 497.3637878654.

Adding to 123033247 its reverse (742330321), we get a palindrome (865363568).

The spelling of 123033247 in words is "one hundred twenty-three million, thirty-three thousand, two hundred forty-seven".