63234441231 has 16 divisors (see below), whose sum is σ = 90861880704. Its totient is φ = 38886198624.

The previous prime is 63234441211. The next prime is 63234441239. The reversal of 63234441231 is 13214443236.

It is not a de Polignac number, because 63234441231 - 2⁷ = 63234441103 is a prime.

It is a super-2 number, since 2×63234441231² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 63234441192 and 63234441201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63234441239) 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, 512461 + ... + 623766.

It is an arithmetic number, because the mean of its divisors is an integer number (5678867544).

Almost surely, 2^63234441231 is an apocalyptic number.

63234441231 is a deficient number, since it is larger than the sum of its proper divisors (27627439473).

63234441231 is a wasteful number, since it uses less digits than its factorization.

63234441231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137670.

The product of its digits is 41472, while the sum is 33.

Adding to 63234441231 its reverse (13214443236), we get a palindrome (76448884467).

The spelling of 63234441231 in words is "sixty-three billion, two hundred thirty-four million, four hundred forty-one thousand, two hundred thirty-one".