167133423 has 4 divisors (see below), whose sum is σ = 222844568. Its totient is φ = 111422280.

The previous prime is 167133419. The next prime is 167133437. The reversal of 167133423 is 324331761.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 167133423 - 2² = 167133419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (167133023) 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, 27855568 + ... + 27855573.

It is an arithmetic number, because the mean of its divisors is an integer number (55711142).

Almost surely, 2^167133423 is an apocalyptic number.

167133423 is a deficient number, since it is larger than the sum of its proper divisors (55711145).

167133423 is an equidigital number, since it uses as much as digits as its factorization.

167133423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55711144.

The product of its digits is 9072, while the sum is 30.

The square root of 167133423 is about 12928.0092434992. The cubic root of 167133423 is about 550.8344611372.

The spelling of 167133423 in words is "one hundred sixty-seven million, one hundred thirty-three thousand, four hundred twenty-three".