133532023 has 4 divisors (see below), whose sum is σ = 133561000. Its totient is φ = 133503048.

The previous prime is 133532017. The next prime is 133532051. The reversal of 133532023 is 320235331.

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 133532023 - 2⁹ = 133531511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133531985 and 133532003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133532423) 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, 5865 + ... + 17362.

It is an arithmetic number, because the mean of its divisors is an integer number (33390250).

Almost surely, 2^133532023 is an apocalyptic number.

133532023 is a deficient number, since it is larger than the sum of its proper divisors (28977).

133532023 is an equidigital number, since it uses as much as digits as its factorization.

133532023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28976.

The product of its (nonzero) digits is 1620, while the sum is 22.

The square root of 133532023 is about 11555.6056959382. The cubic root of 133532023 is about 511.1265919259.

Adding to 133532023 its reverse (320235331), we get a palindrome (453767354).

It can be divided in two parts, 13353 and 2023, that added together give a square (15376 = 124²).

The spelling of 133532023 in words is "one hundred thirty-three million, five hundred thirty-two thousand, twenty-three".