123201473 has 2 divisors, whose sum is σ = 123201474. Its totient is φ = 123201472.

The previous prime is 123201469. The next prime is 123201553. The reversal of 123201473 is 374102321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102252544 + 20948929 = 10112^2 + 4577^2 .

It is an emirp because it is prime and its reverse (374102321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123201473 - 2² = 123201469 is a prime.

It is a super-3 number, since 3×123201473³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (123201973) 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, 61600736 + 61600737.

It is an arithmetic number, because the mean of its divisors is an integer number (61600737).

Almost surely, 2^123201473 is an apocalyptic number.

It is an amenable number.

123201473 is a deficient number, since it is larger than the sum of its proper divisors (1).

123201473 is an equidigital number, since it uses as much as digits as its factorization.

123201473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 123201473 is about 11099.6158942551. The cubic root of 123201473 is about 497.5903700215.

Adding to 123201473 its reverse (374102321), we get a palindrome (497303794).

The spelling of 123201473 in words is "one hundred twenty-three million, two hundred one thousand, four hundred seventy-three".