1232453420043 has 4 divisors (see below), whose sum is σ = 1643271226728. Its totient is φ = 821635613360.

The previous prime is 1232453420039. The next prime is 1232453420059. The reversal of 1232453420043 is 3400243542321.

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 1232453420043 - 2² = 1232453420039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1232453419986 and 1232453420013.

It is not an unprimeable number, because it can be changed into a prime (1232453422043) 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, 205408903338 + ... + 205408903343.

It is an arithmetic number, because the mean of its divisors is an integer number (410817806682).

Almost surely, 2^{1232453420043} is an apocalyptic number.

1232453420043 is a deficient number, since it is larger than the sum of its proper divisors (410817806685).

1232453420043 is an equidigital number, since it uses as much as digits as its factorization.

1232453420043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410817806684.

The product of its (nonzero) digits is 69120, while the sum is 33.

Adding to 1232453420043 its reverse (3400243542321), we get a palindrome (4632696962364).

The spelling of 1232453420043 in words is "one trillion, two hundred thirty-two billion, four hundred fifty-three million, four hundred twenty thousand, forty-three".