133023011 has 8 divisors (see below), whose sum is σ = 153652464. Its totient is φ = 113816320.

The previous prime is 133023001. The next prime is 133023017. The reversal of 133023011 is 110320331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133023011 is a prime.

It is a super-2 number, since 2×133023011² = 35390242911012242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133023017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355490 + ... + 355863.

It is an arithmetic number, because the mean of its divisors is an integer number (19206558).

Almost surely, 2^133023011 is an apocalyptic number.

133023011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

133023011 is a deficient number, since it is larger than the sum of its proper divisors (20629453).

133023011 is a wasteful number, since it uses less digits than its factorization.

133023011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711381.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 133023011 is about 11533.5602048977. The cubic root of 133023011 is about 510.4763088308.

Adding to 133023011 its reverse (110320331), we get a palindrome (243343342).

The spelling of 133023011 in words is "one hundred thirty-three million, twenty-three thousand, eleven".