231126009 has 8 divisors (see below), whose sum is σ = 308610432. Its totient is φ = 153862800.

The previous prime is 231126001. The next prime is 231126017. The reversal of 231126009 is 900621132.

It is an interprime number because it is at equal distance from previous prime (231126001) and next prime (231126017).

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

It is not a de Polignac number, because 231126009 - 2³ = 231126001 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 231126009.

It is not an unprimeable number, because it can be changed into a prime (231126001) 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, 52849 + ... + 57054.

It is an arithmetic number, because the mean of its divisors is an integer number (38576304).

Almost surely, 2^231126009 is an apocalyptic number.

It is an amenable number.

231126009 is a deficient number, since it is larger than the sum of its proper divisors (77484423).

231126009 is a wasteful number, since it uses less digits than its factorization.

231126009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110607.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 231126009 is about 15202.8289801602. The cubic root of 231126009 is about 613.6907915169.

The spelling of 231126009 in words is "two hundred thirty-one million, one hundred twenty-six thousand, nine".