123012203 has 2 divisors, whose sum is σ = 123012204. Its totient is φ = 123012202.

The previous prime is 123012157. The next prime is 123012223. The reversal of 123012203 is 302210321.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123012203 - 2¹⁴ = 122995819 is a prime.

It is not a weakly prime, because it can be changed into another prime (123012223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61506101 + 61506102.

It is an arithmetic number, because the mean of its divisors is an integer number (61506102).

Almost surely, 2^123012203 is an apocalyptic number.

123012203 is a deficient number, since it is larger than the sum of its proper divisors (1).

123012203 is an equidigital number, since it uses as much as digits as its factorization.

123012203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 123012203 is about 11091.0866464923. The cubic root of 123012203 is about 497.3354293509.

Adding to 123012203 its reverse (302210321), we get a palindrome (425222524).

The spelling of 123012203 in words is "one hundred twenty-three million, twelve thousand, two hundred three".