133214623 has 2 divisors, whose sum is σ = 133214624. Its totient is φ = 133214622.

The previous prime is 133214621. The next prime is 133214629. The reversal of 133214623 is 326412331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133214623 - 2¹ = 133214621 is a prime.

It is a super-3 number, since 3×133214623³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 133214621, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133214621) 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, 66607311 + 66607312.

It is an arithmetic number, because the mean of its divisors is an integer number (66607312).

Almost surely, 2^133214623 is an apocalyptic number.

133214623 is a deficient number, since it is larger than the sum of its proper divisors (1).

133214623 is an equidigital number, since it uses as much as digits as its factorization.

133214623 is an odious number, because the sum of its binary digits is odd.

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

The square root of 133214623 is about 11541.8639309255. The cubic root of 133214623 is about 510.7212951642.

Adding to 133214623 its reverse (326412331), we get a palindrome (459626954).

The spelling of 133214623 in words is "one hundred thirty-three million, two hundred fourteen thousand, six hundred twenty-three".