1233423032309 has 4 divisors (see below), whose sum is σ = 1328301727116. Its totient is φ = 1138544337504.

The previous prime is 1233423032297. The next prime is 1233423032321. The reversal of 1233423032309 is 9032303243321.

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

It is an interprime number because it is at equal distance from previous prime (1233423032297) and next prime (1233423032321).

It can be written as a sum of positive squares in 2 ways, for example, as 108518854084 + 1124904178225 = 329422^2 + 1060615^2 .

It is a cyclic number.

It is not a de Polignac number, because 1233423032309 - 2²⁸ = 1233154596853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233423032389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47439347384 + ... + 47439347409.

It is an arithmetic number, because the mean of its divisors is an integer number (332075431779).

Almost surely, 2^{1233423032309} is an apocalyptic number.

It is an amenable number.

1233423032309 is a deficient number, since it is larger than the sum of its proper divisors (94878694807).

1233423032309 is an equidigital number, since it uses as much as digits as its factorization.

1233423032309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94878694806.

The product of its (nonzero) digits is 69984, while the sum is 35.

The spelling of 1233423032309 in words is "one trillion, two hundred thirty-three billion, four hundred twenty-three million, thirty-two thousand, three hundred nine".