133323403 has 2 divisors, whose sum is σ = 133323404. Its totient is φ = 133323402.

The previous prime is 133323397. The next prime is 133323409. The reversal of 133323403 is 304323331.

It is a balanced prime because it is at equal distance from previous prime (133323397) and next prime (133323409).

It is a cyclic number.

It is not a de Polignac number, because 133323403 - 2¹³ = 133315211 is a prime.

It is not a weakly prime, because it can be changed into another prime (133323409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66661701 + 66661702.

It is an arithmetic number, because the mean of its divisors is an integer number (66661702).

Almost surely, 2^133323403 is an apocalyptic number.

133323403 is a deficient number, since it is larger than the sum of its proper divisors (1).

133323403 is an equidigital number, since it uses as much as digits as its factorization.

133323403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 22.

The square root of 133323403 is about 11546.5753797392. The cubic root of 133323403 is about 510.8602717673.

Adding to 133323403 its reverse (304323331), we get a palindrome (437646734).

The spelling of 133323403 in words is "one hundred thirty-three million, three hundred twenty-three thousand, four hundred three".