63115123 has 4 divisors (see below), whose sum is σ = 63181360. Its totient is φ = 63048888.

The previous prime is 63115111. The next prime is 63115141. The reversal of 63115123 is 32151136.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63115123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63115094 and 63115103.

It is not an unprimeable number, because it can be changed into a prime (63119123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31668 + ... + 33601.

It is an arithmetic number, because the mean of its divisors is an integer number (15795340).

Almost surely, 2^63115123 is an apocalyptic number.

63115123 is a deficient number, since it is larger than the sum of its proper divisors (66237).

63115123 is an equidigital number, since it uses as much as digits as its factorization.

63115123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66236.

The product of its digits is 540, while the sum is 22.

The square root of 63115123 is about 7944.5026905402. The cubic root of 63115123 is about 398.1479442083.

Adding to 63115123 its reverse (32151136), we get a palindrome (95266259).

The spelling of 63115123 in words is "sixty-three million, one hundred fifteen thousand, one hundred twenty-three".