1232454205023 has 4 divisors (see below), whose sum is σ = 1643272273368. Its totient is φ = 821636136680.

The previous prime is 1232454205007. The next prime is 1232454205069. The reversal of 1232454205023 is 3205024542321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1232454205023 - 2⁴ = 1232454205007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232454205223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205409034168 + ... + 205409034173.

It is an arithmetic number, because the mean of its divisors is an integer number (410818068342).

Almost surely, 2^{1232454205023} is an apocalyptic number.

1232454205023 is a deficient number, since it is larger than the sum of its proper divisors (410818068345).

1232454205023 is an equidigital number, since it uses as much as digits as its factorization.

1232454205023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410818068344.

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 1232454205023 its reverse (3205024542321), we get a palindrome (4437478747344).

The spelling of 1232454205023 in words is "one trillion, two hundred thirty-two billion, four hundred fifty-four million, two hundred five thousand, twenty-three".