63123401 has 12 divisors (see below), whose sum is σ = 71780100. Its totient is φ = 55403040.

The previous prime is 63123391. The next prime is 63123407. The reversal of 63123401 is 10432136.

It can be written as a sum of positive squares in 2 ways, for example, as 41267776 + 21855625 = 6424^2 + 4675^2 .

It is not a de Polignac number, because 63123401 - 2⁶ = 63123337 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (63123407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5486 + ... + 12503.

It is an arithmetic number, because the mean of its divisors is an integer number (5981675).

Almost surely, 2^63123401 is an apocalyptic number.

It is an amenable number.

63123401 is a deficient number, since it is larger than the sum of its proper divisors (8656699).

63123401 is a wasteful number, since it uses less digits than its factorization.

63123401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18040 (or 18029 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 63123401 is about 7945.0236626457. The cubic root of 63123401 is about 398.1653500979.

Adding to 63123401 its reverse (10432136), we get a palindrome (73555537).

The spelling of 63123401 in words is "sixty-three million, one hundred twenty-three thousand, four hundred one".