231045406 has 8 divisors (see below), whose sum is σ = 346711320. Its totient is φ = 115474968.

The previous prime is 231045401. The next prime is 231045433. The reversal of 231045406 is 604540132.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231045401) 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, 17476 + ... + 27703.

It is an arithmetic number, because the mean of its divisors is an integer number (43338915).

Almost surely, 2^231045406 is an apocalyptic number.

231045406 is a deficient number, since it is larger than the sum of its proper divisors (115665914).

231045406 is a wasteful number, since it uses less digits than its factorization.

231045406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47738.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 231045406 is about 15200.1778279071. The cubic root of 231045406 is about 613.6194436111.

Adding to 231045406 its reverse (604540132), we get a palindrome (835585538).

The spelling of 231045406 in words is "two hundred thirty-one million, forty-five thousand, four hundred six".