33432423121 has 2 divisors, whose sum is σ = 33432423122. Its totient is φ = 33432423120.

The previous prime is 33432423071. The next prime is 33432423131. The reversal of 33432423121 is 12132423433.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22902584896 + 10529838225 = 151336^2 + 102615^2 .

It is a cyclic number.

It is not a de Polignac number, because 33432423121 - 2⁹ = 33432422609 is a prime.

It is a super-2 number, since 2×33432423121² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33432423121.

It is not a weakly prime, because it can be changed into another prime (33432423131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16716211560 + 16716211561.

It is an arithmetic number, because the mean of its divisors is an integer number (16716211561).

Almost surely, 2^33432423121 is an apocalyptic number.

It is an amenable number.

33432423121 is a deficient number, since it is larger than the sum of its proper divisors (1).

33432423121 is an equidigital number, since it uses as much as digits as its factorization.

33432423121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 28.

Adding to 33432423121 its reverse (12132423433), we get a palindrome (45564846554).

The spelling of 33432423121 in words is "thirty-three billion, four hundred thirty-two million, four hundred twenty-three thousand, one hundred twenty-one".