133213012423 has 2 divisors, whose sum is σ = 133213012424. Its totient is φ = 133213012422.

The previous prime is 133213012327. The next prime is 133213012447. The reversal of 133213012423 is 324210312331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133213012423 - 2²⁹ = 132676141511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133213012463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66606506211 + 66606506212.

It is an arithmetic number, because the mean of its divisors is an integer number (66606506212).

Almost surely, 2^133213012423 is an apocalyptic number.

133213012423 is a deficient number, since it is larger than the sum of its proper divisors (1).

133213012423 is an equidigital number, since it uses as much as digits as its factorization.

133213012423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 133213012423 its reverse (324210312331), we get a palindrome (457423324754).

The spelling of 133213012423 in words is "one hundred thirty-three billion, two hundred thirteen million, twelve thousand, four hundred twenty-three".