163423654 has 4 divisors (see below), whose sum is σ = 245135484. Its totient is φ = 81711826.

The previous prime is 163423649. The next prime is 163423681. The reversal of 163423654 is 456324361.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40855912 + ... + 40855915.

It is an arithmetic number, because the mean of its divisors is an integer number (61283871).

Almost surely, 2^163423654 is an apocalyptic number.

163423654 is a deficient number, since it is larger than the sum of its proper divisors (81711830).

163423654 is an equidigital number, since it uses as much as digits as its factorization.

163423654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81711829.

The product of its digits is 51840, while the sum is 34.

The square root of 163423654 is about 12783.7261391192. The cubic root of 163423654 is about 546.7284060913.

The spelling of 163423654 in words is "one hundred sixty-three million, four hundred twenty-three thousand, six hundred fifty-four".