1232354011647 has 16 divisors (see below), whose sum is σ = 1792534503168. Its totient is φ = 746873062080.

The previous prime is 1232354011639. The next prime is 1232354011711. The reversal of 1232354011647 is 7461104532321.

It is not a de Polignac number, because 1232354011647 - 2³ = 1232354011639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232354011247) 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, 4445638 + ... + 4714700.

It is an arithmetic number, because the mean of its divisors is an integer number (112033406448).

Almost surely, 2^{1232354011647} is an apocalyptic number.

1232354011647 is a deficient number, since it is larger than the sum of its proper divisors (560180491521).

1232354011647 is a wasteful number, since it uses less digits than its factorization.

1232354011647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407870.

The product of its (nonzero) digits is 120960, while the sum is 39.

Adding to 1232354011647 its reverse (7461104532321), we get a palindrome (8693458543968).

The spelling of 1232354011647 in words is "one trillion, two hundred thirty-two billion, three hundred fifty-four million, eleven thousand, six hundred forty-seven".