215230433 has 8 divisors (see below), whose sum is σ = 235510176. Its totient is φ = 195069600.

The previous prime is 215230399. The next prime is 215230439. The reversal of 215230433 is 334032512.

215230433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 215230433 - 2¹⁰ = 215229409 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 215230399 and 215230408.

It is not an unprimeable number, because it can be changed into a prime (215230439) 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, 25916 + ... + 33197.

It is an arithmetic number, because the mean of its divisors is an integer number (29438772).

Almost surely, 2^215230433 is an apocalyptic number.

It is an amenable number.

215230433 is a deficient number, since it is larger than the sum of its proper divisors (20279743).

215230433 is a wasteful number, since it uses less digits than its factorization.

215230433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59455.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 215230433 is about 14670.7338943899. The cubic root of 215230433 is about 599.2865900429.

Adding to 215230433 its reverse (334032512), we get a palindrome (549262945).

The spelling of 215230433 in words is "two hundred fifteen million, two hundred thirty thousand, four hundred thirty-three".