233012030 has 24 divisors (see below), whose sum is σ = 445550328. Its totient is φ = 87721088.

The previous prime is 233012023. The next prime is 233012053. The reversal of 233012030 is 30210332.

233012030 = 21² + 22² + ... + 887².

It is a super-2 number, since 2×233012030² = 108589212249441800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 233011996 and 233012014.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37424 + ... + 43203.

It is an arithmetic number, because the mean of its divisors is an integer number (18564597).

Almost surely, 2^233012030 is an apocalyptic number.

233012030 is a deficient number, since it is larger than the sum of its proper divisors (212538298).

233012030 is a wasteful number, since it uses less digits than its factorization.

233012030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80668 (or 80651 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 233012030 is about 15264.7315731394. The cubic root of 233012030 is about 615.3555394556.

Adding to 233012030 its reverse (30210332), we get a palindrome (263222362).

The spelling of 233012030 in words is "two hundred thirty-three million, twelve thousand, thirty".