165474673123 has 2 divisors, whose sum is σ = 165474673124. Its totient is φ = 165474673122.

The previous prime is 165474673121. The next prime is 165474673229. The reversal of 165474673123 is 321376474561.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 165474673123 - 2¹ = 165474673121 is a prime.

Together with 165474673121, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (165474673121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82737336561 + 82737336562.

It is an arithmetic number, because the mean of its divisors is an integer number (82737336562).

Almost surely, 2^165474673123 is an apocalyptic number.

165474673123 is a deficient number, since it is larger than the sum of its proper divisors (1).

165474673123 is an equidigital number, since it uses as much as digits as its factorization.

165474673123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2540160, while the sum is 49.

The spelling of 165474673123 in words is "one hundred sixty-five billion, four hundred seventy-four million, six hundred seventy-three thousand, one hundred twenty-three".