133022023 has 4 divisors (see below), whose sum is σ = 137313088. Its totient is φ = 128730960.

The previous prime is 133022003. The next prime is 133022053. The reversal of 133022023 is 320220331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320220331 = 419 ⋅764249.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133022023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133021988 and 133022006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133022003) 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, 2145486 + ... + 2145547.

It is an arithmetic number, because the mean of its divisors is an integer number (34328272).

Almost surely, 2^133022023 is an apocalyptic number.

133022023 is a deficient number, since it is larger than the sum of its proper divisors (4291065).

133022023 is an equidigital number, since it uses as much as digits as its factorization.

133022023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4291064.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 133022023 is about 11533.5173732908. The cubic root of 133022023 is about 510.4750450098.

Adding to 133022023 its reverse (320220331), we get a palindrome (453242354).

The spelling of 133022023 in words is "one hundred thirty-three million, twenty-two thousand, twenty-three".