100133233 has 4 divisors (see below), whose sum is σ = 100215808. Its totient is φ = 100050660.

The previous prime is 100133221. The next prime is 100133261. The reversal of 100133233 is 332331001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100133233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100133203) 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, 39441 + ... + 41902.

It is an arithmetic number, because the mean of its divisors is an integer number (25053952).

Almost surely, 2^100133233 is an apocalyptic number.

It is an amenable number.

100133233 is a deficient number, since it is larger than the sum of its proper divisors (82575).

100133233 is an equidigital number, since it uses as much as digits as its factorization.

100133233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82574.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 100133233 is about 10006.6594325979. The cubic root of 100133233 is about 464.3649294829.

Adding to 100133233 its reverse (332331001), we get a palindrome (432464234).

It can be divided in two parts, 1001 and 33233, that multiplied together give a palindrome (33266233).

The spelling of 100133233 in words is "one hundred million, one hundred thirty-three thousand, two hundred thirty-three".