123200071 has 8 divisors (see below), whose sum is σ = 130546944. Its totient is φ = 115864320.

The previous prime is 123200059. The next prime is 123200131. The reversal of 123200071 is 170002321.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123200071 - 2⁷ = 123199943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123200041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34171 + ... + 37603.

It is an arithmetic number, because the mean of its divisors is an integer number (16318368).

Almost surely, 2^123200071 is an apocalyptic number.

123200071 is a deficient number, since it is larger than the sum of its proper divisors (7346873).

123200071 is a wasteful number, since it uses less digits than its factorization.

123200071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5561.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 123200071 is about 11099.5527387368. The cubic root of 123200071 is about 497.5884825323.

Adding to 123200071 its reverse (170002321), we get a palindrome (293202392).

The spelling of 123200071 in words is "one hundred twenty-three million, two hundred thousand, seventy-one".