63122623 has 4 divisors (see below), whose sum is σ = 63735568. Its totient is φ = 62509680.

The previous prime is 63122599. The next prime is 63122651. The reversal of 63122623 is 32622136.

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-63122623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63122923) 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, 306318 + ... + 306523.

It is an arithmetic number, because the mean of its divisors is an integer number (15933892).

Almost surely, 2^63122623 is an apocalyptic number.

63122623 is a deficient number, since it is larger than the sum of its proper divisors (612945).

63122623 is a wasteful number, since it uses less digits than its factorization.

63122623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612944.

The product of its digits is 2592, while the sum is 25.

The square root of 63122623 is about 7944.9747010296. The cubic root of 63122623 is about 398.1637142866.

Adding to 63122623 its reverse (32622136), we get a palindrome (95744759).

The spelling of 63122623 in words is "sixty-three million, one hundred twenty-two thousand, six hundred twenty-three".