123903229 has 2 divisors, whose sum is σ = 123903230. Its totient is φ = 123903228.

The previous prime is 123903193. The next prime is 123903251. The reversal of 123903229 is 922309321.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100040004 + 23863225 = 10002^2 + 4885^2 .

It is a cyclic number.

It is not a de Polignac number, because 123903229 - 2²¹ = 121806077 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123903229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123903289) 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, 61951614 + 61951615.

It is an arithmetic number, because the mean of its divisors is an integer number (61951615).

Almost surely, 2^123903229 is an apocalyptic number.

It is an amenable number.

123903229 is a deficient number, since it is larger than the sum of its proper divisors (1).

123903229 is an equidigital number, since it uses as much as digits as its factorization.

123903229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 123903229 is about 11131.1827314082. The cubic root of 123903229 is about 498.5333406942.

The spelling of 123903229 in words is "one hundred twenty-three million, nine hundred three thousand, two hundred twenty-nine".