123995167 has 4 divisors (see below), whose sum is σ = 126096840. Its totient is φ = 121893496.

The previous prime is 123995147. The next prime is 123995171. The reversal of 123995167 is 761599321.

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 123995167 - 2²³ = 115606559 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 (123995107) 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, 1050748 + ... + 1050865.

It is an arithmetic number, because the mean of its divisors is an integer number (31524210).

Almost surely, 2^123995167 is an apocalyptic number.

123995167 is a deficient number, since it is larger than the sum of its proper divisors (2101673).

123995167 is an equidigital number, since it uses as much as digits as its factorization.

123995167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2101672.

The product of its digits is 102060, while the sum is 43.

The square root of 123995167 is about 11135.3117154393. The cubic root of 123995167 is about 498.6566165409.

The spelling of 123995167 in words is "one hundred twenty-three million, nine hundred ninety-five thousand, one hundred sixty-seven".