231420606 has 32 divisors (see below), whose sum is σ = 468948480. Its totient is φ = 76127904.

The previous prime is 231420601. The next prime is 231420647. The reversal of 231420606 is 606024132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231420601) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 270876 + ... + 271728.

It is an arithmetic number, because the mean of its divisors is an integer number (14654640).

Almost surely, 2^231420606 is an apocalyptic number.

231420606 is an abundant number, since it is smaller than the sum of its proper divisors (237527874).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231420606 is a wasteful number, since it uses less digits than its factorization.

231420606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1400.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 231420606 is about 15212.5147822443. The cubic root of 231420606 is about 613.9514209285.

Adding to 231420606 its reverse (606024132), we get a palindrome (837444738).

The spelling of 231420606 in words is "two hundred thirty-one million, four hundred twenty thousand, six hundred six".