133051023 has 18 divisors (see below), whose sum is σ = 223562664. Its totient is φ = 76028904.

The previous prime is 133051019. The next prime is 133051033. The reversal of 133051023 is 320150331.

133051023 is a `hidden beast` number, since 133 + 0 + 510 + 23 = 666.

It is not a de Polignac number, because 133051023 - 2² = 133051019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133050987 and 133051005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133051003) 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 in 17 ways as a sum of consecutive naturals, for example, 150411 + ... + 151292.

It is an arithmetic number, because the mean of its divisors is an integer number (12420148).

Almost surely, 2^133051023 is an apocalyptic number.

133051023 is a deficient number, since it is larger than the sum of its proper divisors (90511641).

133051023 is a wasteful number, since it uses less digits than its factorization.

133051023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301723 (or 301713 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 133051023 is about 11534.7745101497. The cubic root of 133051023 is about 510.5121383680.

The spelling of 133051023 in words is "one hundred thirty-three million, fifty-one thousand, twenty-three".