167421323 has 2 divisors, whose sum is σ = 167421324. Its totient is φ = 167421322.

The previous prime is 167421313. The next prime is 167421367. The reversal of 167421323 is 323124761.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 167421323 - 2¹⁰ = 167420299 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (167421313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83710661 + 83710662.

It is an arithmetic number, because the mean of its divisors is an integer number (83710662).

Almost surely, 2^167421323 is an apocalyptic number.

167421323 is a deficient number, since it is larger than the sum of its proper divisors (1).

167421323 is an equidigital number, since it uses as much as digits as its factorization.

167421323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 29.

The square root of 167421323 is about 12939.1391908426. The cubic root of 167421323 is about 551.1505644181.

The spelling of 167421323 in words is "one hundred sixty-seven million, four hundred twenty-one thousand, three hundred twenty-three".