1204423133 has 2 divisors, whose sum is σ = 1204423134. Its totient is φ = 1204423132.

The previous prime is 1204423127. The next prime is 1204423141. The reversal of 1204423133 is 3313244021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1198405924 + 6017209 = 34618^2 + 2453^2 .

It is an emirp because it is prime and its reverse (3313244021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1204423133 - 2⁴ = 1204423117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1204423099 and 1204423108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1204423153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 602211566 + 602211567.

It is an arithmetic number, because the mean of its divisors is an integer number (602211567).

Almost surely, 2^1204423133 is an apocalyptic number.

It is an amenable number.

1204423133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1204423133 is an equidigital number, since it uses as much as digits as its factorization.

1204423133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1204423133 is about 34704.7998553514. The cubic root of 1204423133 is about 1063.9626016803.

Adding to 1204423133 its reverse (3313244021), we get a palindrome (4517667154).

The spelling of 1204423133 in words is "one billion, two hundred four million, four hundred twenty-three thousand, one hundred thirty-three".