1232343110421 has 8 divisors (see below), whose sum is σ = 1825693496960. Its totient is φ = 821562073596.

The previous prime is 1232343110399. The next prime is 1232343110431. The reversal of 1232343110421 is 1240113432321.

1232343110421 is a `hidden beast` number, since 1 + 2 + 3 + 234 + 3 + 1 + 1 + 0 + 421 = 666.

It is not a de Polignac number, because 1232343110421 - 2⁹ = 1232343109909 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 45642337423 = 1232343110421 / (1 + 2 + 3 + 2 + 3 + 4 + 3 + 1 + 1 + 0 + 4 + 2 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232343110431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22821168685 + ... + 22821168738.

It is an arithmetic number, because the mean of its divisors is an integer number (228211687120).

Almost surely, 2^{1232343110421} is an apocalyptic number.

It is an amenable number.

1232343110421 is a deficient number, since it is larger than the sum of its proper divisors (593350386539).

1232343110421 is an equidigital number, since it uses as much as digits as its factorization.

1232343110421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45642337432 (or 45642337426 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 1232343110421 its reverse (1240113432321), we get a palindrome (2472456542742).

The spelling of 1232343110421 in words is "one trillion, two hundred thirty-two billion, three hundred forty-three million, one hundred ten thousand, four hundred twenty-one".