1233243242231 has 64 divisors (see below), whose sum is σ = 1686054085632. Its totient is φ = 878256720000.

The previous prime is 1233243242219. The next prime is 1233243242249. The reversal of 1233243242231 is 1322423423321.

It is a de Polignac number, because none of the positive numbers 2^k-1233243242231 is a prime.

It is a super-2 number, since 2×1233243242231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233243242281) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12182816 + ... + 12283626.

It is an arithmetic number, because the mean of its divisors is an integer number (26344595088).

Almost surely, 2^{1233243242231} is an apocalyptic number.

1233243242231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1233243242231 is a deficient number, since it is larger than the sum of its proper divisors (452810843401).

1233243242231 is a wasteful number, since it uses less digits than its factorization.

1233243242231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100965 (or 100943 counting only the distinct ones).

The product of its digits is 41472, while the sum is 32.

Adding to 1233243242231 its reverse (1322423423321), we get a palindrome (2555666665552).

The spelling of 1233243242231 in words is "one trillion, two hundred thirty-three billion, two hundred forty-three million, two hundred forty-two thousand, two hundred thirty-one".