233161697 has 4 divisors (see below), whose sum is σ = 233192640. Its totient is φ = 233130756.

The previous prime is 233161651. The next prime is 233161699. The reversal of 233161697 is 796161332.

It is a happy number.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 233161697 - 2¹⁰ = 233160673 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 233161697.

It is not an unprimeable number, because it can be changed into a prime (233161699) 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, 4004 + ... + 21962.

It is an arithmetic number, because the mean of its divisors is an integer number (58298160).

Almost surely, 2^233161697 is an apocalyptic number.

It is an amenable number.

233161697 is a deficient number, since it is larger than the sum of its proper divisors (30943).

233161697 is a wasteful number, since it uses less digits than its factorization.

233161697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30942.

The product of its digits is 40824, while the sum is 38.

The square root of 233161697 is about 15269.6331652073. The cubic root of 233161697 is about 615.4872618475.

The spelling of 233161697 in words is "two hundred thirty-three million, one hundred sixty-one thousand, six hundred ninety-seven".