1232354011665 has 192 divisors, whose sum is σ = 2375862976512. Its totient is φ = 533738419200.

The previous prime is 1232354011639. The next prime is 1232354011711. The reversal of 1232354011665 is 5661104532321.

It is a happy number.

It is not a de Polignac number, because 1232354011665 - 2¹⁴ = 1232353995281 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 4385601325 + ... + 4385601605.

It is an arithmetic number, because the mean of its divisors is an integer number (12374286336).

Almost surely, 2^{1232354011665} is an apocalyptic number.

1232354011665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1232354011665 is a deficient number, since it is larger than the sum of its proper divisors (1143508964847).

1232354011665 is a wasteful number, since it uses less digits than its factorization.

1232354011665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660 (or 557 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 39.

Adding to 1232354011665 its reverse (5661104532321), we get a palindrome (6893458543986).

The spelling of 1232354011665 in words is "one trillion, two hundred thirty-two billion, three hundred fifty-four million, eleven thousand, six hundred sixty-five".