63023831 has 4 divisors (see below), whose sum is σ = 67871832. Its totient is φ = 58175832.

The previous prime is 63023819. The next prime is 63023833. The reversal of 63023831 is 13832036.

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

It is not a de Polignac number, because 63023831 - 2¹⁰ = 63022807 is a prime.

It is a super-2 number, since 2×63023831² = 7944006547833122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63023831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63023833) 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, 2423981 + ... + 2424006.

It is an arithmetic number, because the mean of its divisors is an integer number (16967958).

Almost surely, 2^63023831 is an apocalyptic number.

63023831 is a deficient number, since it is larger than the sum of its proper divisors (4848001).

63023831 is a wasteful number, since it uses less digits than its factorization.

63023831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4848000.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 63023831 is about 7938.7550031475. The cubic root of 63023831 is about 397.9558863761.

Adding to 63023831 its reverse (13832036), we get a palindrome (76855867).

The spelling of 63023831 in words is "sixty-three million, twenty-three thousand, eight hundred thirty-one".