123475071 has 4 divisors (see below), whose sum is σ = 164633432. Its totient is φ = 82316712.

The previous prime is 123475043. The next prime is 123475073. The reversal of 123475071 is 170574321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 170574321 = 3 ⋅56858107.

It is not a de Polignac number, because 123475071 - 2⁵ = 123475039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123475073) 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, 20579176 + ... + 20579181.

It is an arithmetic number, because the mean of its divisors is an integer number (41158358).

Almost surely, 2^123475071 is an apocalyptic number.

123475071 is a deficient number, since it is larger than the sum of its proper divisors (41158361).

123475071 is an equidigital number, since it uses as much as digits as its factorization.

123475071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41158360.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 123475071 is about 11111.9337201047. The cubic root of 123475071 is about 497.9584367177.

The spelling of 123475071 in words is "one hundred twenty-three million, four hundred seventy-five thousand, seventy-one".