123158867 has 8 divisors (see below), whose sum is σ = 134312640. Its totient is φ = 112245120.

The previous prime is 123158857. The next prime is 123158869. The reversal of 123158867 is 768851321.

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

It is not a de Polignac number, because 123158867 - 2¹⁶ = 123093331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123158869) 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, 58934 + ... + 60987.

It is an arithmetic number, because the mean of its divisors is an integer number (16789080).

Almost surely, 2^123158867 is an apocalyptic number.

123158867 is a deficient number, since it is larger than the sum of its proper divisors (11153773).

123158867 is a wasteful number, since it uses less digits than its factorization.

123158867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120013.

The product of its digits is 80640, while the sum is 41.

The square root of 123158867 is about 11097.6964726920. The cubic root of 123158867 is about 497.5330038794.

The spelling of 123158867 in words is "one hundred twenty-three million, one hundred fifty-eight thousand, eight hundred sixty-seven".