1232354011645 has 32 divisors (see below), whose sum is σ = 1562619801600. Its totient is φ = 930419348544.

The previous prime is 1232354011639. The next prime is 1232354011711. The reversal of 1232354011645 is 5461104532321.

It is a cyclic number.

It is not a de Polignac number, because 1232354011645 - 2⁷ = 1232354011517 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 179561484 + ... + 179568346.

It is an arithmetic number, because the mean of its divisors is an integer number (48831868800).

Almost surely, 2^{1232354011645} is an apocalyptic number.

It is an amenable number.

1232354011645 is a deficient number, since it is larger than the sum of its proper divisors (330265789955).

1232354011645 is a wasteful number, since it uses less digits than its factorization.

1232354011645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13849.

The product of its (nonzero) digits is 86400, while the sum is 37.

Adding to 1232354011645 its reverse (5461104532321), we get a palindrome (6693458543966).

The spelling of 1232354011645 in words is "one trillion, two hundred thirty-two billion, three hundred fifty-four million, eleven thousand, six hundred forty-five".