63223539 has 8 divisors (see below), whose sum is σ = 87017472. Its totient is φ = 40789320.

The previous prime is 63223529. The next prime is 63223543. The reversal of 63223539 is 93532236.

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

It is not a de Polignac number, because 63223539 - 2¹⁷ = 63092467 is a prime.

It is a super-3 number, since 3×63223539³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (63223529) 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, 339819 + ... + 340004.

It is an arithmetic number, because the mean of its divisors is an integer number (10877184).

Almost surely, 2^63223539 is an apocalyptic number.

63223539 is a deficient number, since it is larger than the sum of its proper divisors (23793933).

63223539 is a wasteful number, since it uses less digits than its factorization.

63223539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679857.

The product of its digits is 29160, while the sum is 33.

The square root of 63223539 is about 7951.3230974474. The cubic root of 63223539 is about 398.3757866710.

The spelling of 63223539 in words is "sixty-three million, two hundred twenty-three thousand, five hundred thirty-nine".