163123452 has 36 divisors (see below), whose sum is σ = 430269840. Its totient is φ = 52010112.

The previous prime is 163123451. The next prime is 163123487. The reversal of 163123452 is 254321361.

163123452 is a `hidden beast` number, since 1 + 6 + 312 + 345 + 2 = 666.

163123452 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163123451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97677 + ... + 99332.

It is an arithmetic number, because the mean of its divisors is an integer number (11951940).

Almost surely, 2^163123452 is an apocalyptic number.

163123452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

163123452 is an abundant number, since it is smaller than the sum of its proper divisors (267146388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163123452 is a wasteful number, since it uses less digits than its factorization.

163123452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197042 (or 197037 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 163123452 is about 12771.9791731744. The cubic root of 163123452 is about 546.3934289550.

The spelling of 163123452 in words is "one hundred sixty-three million, one hundred twenty-three thousand, four hundred fifty-two".