163423354 has 4 divisors (see below), whose sum is σ = 245135034. Its totient is φ = 81711676.

The previous prime is 163423343. The next prime is 163423357. The reversal of 163423354 is 453324361.

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

It can be written as a sum of positive squares in only one way, i.e., 132365025 + 31058329 = 11505^2 + 5573^2 .

It is not an unprimeable number, because it can be changed into a prime (163423357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40855837 + ... + 40855840.

Almost surely, 2^163423354 is an apocalyptic number.

163423354 is a deficient number, since it is larger than the sum of its proper divisors (81711680).

163423354 is an equidigital number, since it uses as much as digits as its factorization.

163423354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81711679.

The product of its digits is 25920, while the sum is 31.

The square root of 163423354 is about 12783.7144054457. The cubic root of 163423354 is about 546.7280715444.

The spelling of 163423354 in words is "one hundred sixty-three million, four hundred twenty-three thousand, three hundred fifty-four".