230215402 has 4 divisors (see below), whose sum is σ = 345323106. Its totient is φ = 115107700.

The previous prime is 230215387. The next prime is 230215423. The reversal of 230215402 is 204512032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 212314041 + 17901361 = 14571^2 + 4231^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 230215402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57553849 + ... + 57553852.

Almost surely, 2^230215402 is an apocalyptic number.

230215402 is a deficient number, since it is larger than the sum of its proper divisors (115107704).

230215402 is a wasteful number, since it uses less digits than its factorization.

230215402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115107703.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 230215402 is about 15172.8508198031. The cubic root of 230215402 is about 612.8837762565.

Adding to 230215402 its reverse (204512032), we get a palindrome (434727434).

The spelling of 230215402 in words is "two hundred thirty million, two hundred fifteen thousand, four hundred two".