63623013 has 8 divisors (see below), whose sum is σ = 87756000. Its totient is φ = 40952688.

The previous prime is 63623011. The next prime is 63623023. The reversal of 63623013 is 31032636.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 63623013 - 2¹ = 63623011 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63623011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 365563 + ... + 365736.

It is an arithmetic number, because the mean of its divisors is an integer number (10969500).

Almost surely, 2^63623013 is an apocalyptic number.

It is an amenable number.

63623013 is a deficient number, since it is larger than the sum of its proper divisors (24132987).

63623013 is a wasteful number, since it uses less digits than its factorization.

63623013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731331.

The product of its (nonzero) digits is 1944, while the sum is 24.

The square root of 63623013 is about 7976.4035128622. The cubic root of 63623013 is about 399.2130632583.

Adding to 63623013 its reverse (31032636), we get a palindrome (94655649).

The spelling of 63623013 in words is "sixty-three million, six hundred twenty-three thousand, thirteen".