63801823231 has 16 divisors (see below), whose sum is σ = 64994529600. Its totient is φ = 62622620928.

The previous prime is 63801823219. The next prime is 63801823249. The reversal of 63801823231 is 13232810836.

It is a cyclic number.

It is not a de Polignac number, because 63801823231 - 2¹¹ = 63801821183 is a prime.

It is a super-2 number, since 2×63801823231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63801823931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5452435 + ... + 5464123.

It is an arithmetic number, because the mean of its divisors is an integer number (4062158100).

Almost surely, 2^63801823231 is an apocalyptic number.

63801823231 is a deficient number, since it is larger than the sum of its proper divisors (1192706369).

63801823231 is a wasteful number, since it uses less digits than its factorization.

63801823231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12258.

The product of its (nonzero) digits is 41472, while the sum is 37.

The spelling of 63801823231 in words is "sixty-three billion, eight hundred one million, eight hundred twenty-three thousand, two hundred thirty-one".