133421223043 has 4 divisors (see below), whose sum is σ = 139222145808. Its totient is φ = 127620300280.

The previous prime is 133421223017. The next prime is 133421223071. The reversal of 133421223043 is 340322124331.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 133421223043 - 2¹⁷ = 133421091971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133421223073) 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, 2900461348 + ... + 2900461393.

It is an arithmetic number, because the mean of its divisors is an integer number (34805536452).

Almost surely, 2^133421223043 is an apocalyptic number.

133421223043 is a deficient number, since it is larger than the sum of its proper divisors (5800922765).

133421223043 is an equidigital number, since it uses as much as digits as its factorization.

133421223043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5800922764.

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

Adding to 133421223043 its reverse (340322124331), we get a palindrome (473743347374).

The spelling of 133421223043 in words is "one hundred thirty-three billion, four hundred twenty-one million, two hundred twenty-three thousand, forty-three".