1230504440133 has 4 divisors (see below), whose sum is σ = 1640672586848. Its totient is φ = 820336293420.

The previous prime is 1230504440129. The next prime is 1230504440237. The reversal of 1230504440133 is 3310444050321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1230504440133 - 2² = 1230504440129 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1230504440133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230504480133) 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, 205084073353 + ... + 205084073358.

It is an arithmetic number, because the mean of its divisors is an integer number (410168146712).

Almost surely, 2^{1230504440133} is an apocalyptic number.

It is an amenable number.

1230504440133 is a deficient number, since it is larger than the sum of its proper divisors (410168146715).

1230504440133 is an equidigital number, since it uses as much as digits as its factorization.

1230504440133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410168146714.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 1230504440133 its reverse (3310444050321), we get a palindrome (4540948490454).

The spelling of 1230504440133 in words is "one trillion, two hundred thirty billion, five hundred four million, four hundred forty thousand, one hundred thirty-three".