1230323320133 has 4 divisors (see below), whose sum is σ = 1230367615308. Its totient is φ = 1230279024960.

The previous prime is 1230323320123. The next prime is 1230323320201. The reversal of 1230323320133 is 3310233230321.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 374368988449 + 855954331684 = 611857^2 + 925178^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230323320133 - 2¹⁶ = 1230323254597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230323320123) 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, 22105898 + ... + 22161483.

It is an arithmetic number, because the mean of its divisors is an integer number (307591903827).

Almost surely, 2^{1230323320133} is an apocalyptic number.

It is an amenable number.

1230323320133 is a deficient number, since it is larger than the sum of its proper divisors (44295175).

1230323320133 is an equidigital number, since it uses as much as digits as its factorization.

1230323320133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44295174.

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 1230323320133 its reverse (3310233230321), we get a palindrome (4540556550454).

The spelling of 1230323320133 in words is "one trillion, two hundred thirty billion, three hundred twenty-three million, three hundred twenty thousand, one hundred thirty-three".