100306233 has 6 divisors (see below), whose sum is σ = 144886794. Its totient is φ = 66870816.

The previous prime is 100306211. The next prime is 100306253. The reversal of 100306233 is 332603001.

It is a happy number.

100306233 is a `hidden beast` number, since 10 + 0 + 30 + 623 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 55308969 + 44997264 = 7437^2 + 6708^2 .

It is not a de Polignac number, because 100306233 - 2¹⁷ = 100175161 is a prime.

It is a super-2 number, since 2×100306233² = 20122680757300578, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100306253) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5572560 + ... + 5572577.

It is an arithmetic number, because the mean of its divisors is an integer number (24147799).

Almost surely, 2^100306233 is an apocalyptic number.

It is an amenable number.

100306233 is a deficient number, since it is larger than the sum of its proper divisors (44580561).

100306233 is a wasteful number, since it uses less digits than its factorization.

100306233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11145143 (or 11145140 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 100306233 is about 10015.2999455833. The cubic root of 100306233 is about 464.6322030936.

Adding to 100306233 its reverse (332603001), we get a palindrome (432909234).

The spelling of 100306233 in words is "one hundred million, three hundred six thousand, two hundred thirty-three".