231673005 has 12 divisors (see below), whose sum is σ = 401566620. Its totient is φ = 123558912.

The previous prime is 231672983. The next prime is 231673027. The reversal of 231673005 is 500376132.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (231672983) and next prime (231673027).

It can be written as a sum of positive squares in 2 ways, for example, as 139570596 + 92102409 = 11814^2 + 9597^2 .

It is not a de Polignac number, because 231673005 - 2¹² = 231668909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 231673005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2574100 + ... + 2574189.

It is an arithmetic number, because the mean of its divisors is an integer number (33463885).

Almost surely, 2^231673005 is an apocalyptic number.

It is an amenable number.

231673005 is a deficient number, since it is larger than the sum of its proper divisors (169893615).

231673005 is a wasteful number, since it uses less digits than its factorization.

231673005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5148300 (or 5148297 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 231673005 is about 15220.8082899694. The cubic root of 231673005 is about 614.1745419742.

The spelling of 231673005 in words is "two hundred thirty-one million, six hundred seventy-three thousand, five".