30401233 has 4 divisors (see below), whose sum is σ = 30466800. Its totient is φ = 30335668.

The previous prime is 30401227. The next prime is 30401249. The reversal of 30401233 is 33210403.

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 not a de Polignac number, because 30401233 - 2¹⁷ = 30270161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30401263) 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, 32083 + ... + 33016.

It is an arithmetic number, because the mean of its divisors is an integer number (7616700).

Almost surely, 2^30401233 is an apocalyptic number.

It is an amenable number.

30401233 is a deficient number, since it is larger than the sum of its proper divisors (65567).

30401233 is an equidigital number, since it uses as much as digits as its factorization.

30401233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65566.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 30401233 is about 5513.7313137294. The cubic root of 30401233 is about 312.1023695694.

Adding to 30401233 its reverse (33210403), we get a palindrome (63611636).

The spelling of 30401233 in words is "thirty million, four hundred one thousand, two hundred thirty-three".