163523342 has 4 divisors (see below), whose sum is σ = 245285016. Its totient is φ = 81761670.

The previous prime is 163523299. The next prime is 163523369. The reversal of 163523342 is 243325361.

163523342 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 243325361 = 491 ⋅495571.

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, 40880834 + ... + 40880837.

It is an arithmetic number, because the mean of its divisors is an integer number (61321254).

Almost surely, 2^163523342 is an apocalyptic number.

163523342 is a deficient number, since it is larger than the sum of its proper divisors (81761674).

163523342 is an equidigital number, since it uses as much as digits as its factorization.

163523342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81761673.

The product of its digits is 12960, while the sum is 29.

The square root of 163523342 is about 12787.6245643982. The cubic root of 163523342 is about 546.8395511259.

The spelling of 163523342 in words is "one hundred sixty-three million, five hundred twenty-three thousand, three hundred forty-two".