809233467231 has 24 divisors (see below), whose sum is σ = 1256016281520. Its totient is φ = 462095407872.

The previous prime is 809233467197. The next prime is 809233467233. The reversal of 809233467231 is 132764332908.

It is not a de Polignac number, because 809233467231 - 2¹³ = 809233459039 is a prime.

It is a super-2 number, since 2×809233467231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (809233467233) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1716106 + ... + 2136231.

It is an arithmetic number, because the mean of its divisors is an integer number (52334011730).

Almost surely, 2^809233467231 is an apocalyptic number.

809233467231 is a deficient number, since it is larger than the sum of its proper divisors (446782814289).

809233467231 is a wasteful number, since it uses less digits than its factorization.

809233467231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3853783 (or 3853776 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 48.

The spelling of 809233467231 in words is "eight hundred nine billion, two hundred thirty-three million, four hundred sixty-seven thousand, two hundred thirty-one".