164475123 has 4 divisors (see below), whose sum is σ = 219300168. Its totient is φ = 109650080.

The previous prime is 164475107. The next prime is 164475131. The reversal of 164475123 is 321574461.

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

It is a cyclic number.

It is not a de Polignac number, because 164475123 - 2⁴ = 164475107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (164475163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27412518 + ... + 27412523.

It is an arithmetic number, because the mean of its divisors is an integer number (54825042).

Almost surely, 2^164475123 is an apocalyptic number.

164475123 is a deficient number, since it is larger than the sum of its proper divisors (54825045).

164475123 is an equidigital number, since it uses as much as digits as its factorization.

164475123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54825044.

The product of its digits is 20160, while the sum is 33.

The square root of 164475123 is about 12824.7854952822. The cubic root of 164475123 is about 547.8984518444.

It can be divided in two parts, 1644 and 75123, that added together give a palindrome (76767).

The spelling of 164475123 in words is "one hundred sixty-four million, four hundred seventy-five thousand, one hundred twenty-three".