231067073 has 4 divisors (see below), whose sum is σ = 231195648. Its totient is φ = 230938500.

The previous prime is 231067049. The next prime is 231067097. The reversal of 231067073 is 370760132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (231067049) and next prime (231067097).

It is a cyclic number.

It is not a de Polignac number, because 231067073 - 2⁸ = 231066817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231067003) 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, 61553 + ... + 65198.

It is an arithmetic number, because the mean of its divisors is an integer number (57798912).

Almost surely, 2^231067073 is an apocalyptic number.

It is an amenable number.

231067073 is a deficient number, since it is larger than the sum of its proper divisors (128575).

231067073 is a wasteful number, since it uses less digits than its factorization.

231067073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128574.

The product of its (nonzero) digits is 5292, while the sum is 29.

The square root of 231067073 is about 15200.8905331234. The cubic root of 231067073 is about 613.6386243674.

The spelling of 231067073 in words is "two hundred thirty-one million, sixty-seven thousand, seventy-three".