123112667 has 4 divisors (see below), whose sum is σ = 123581040. Its totient is φ = 122644296.

The previous prime is 123112643. The next prime is 123112673. The reversal of 123112667 is 766211321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 766211321 = 41 ⋅18688081.

It is a cyclic number.

It is not a de Polignac number, because 123112667 - 2¹² = 123108571 is a prime.

It is a super-3 number, since 3×123112667³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123112607) 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, 233792 + ... + 234317.

It is an arithmetic number, because the mean of its divisors is an integer number (30895260).

Almost surely, 2^123112667 is an apocalyptic number.

123112667 is a deficient number, since it is larger than the sum of its proper divisors (468373).

123112667 is an equidigital number, since it uses as much as digits as its factorization.

123112667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468372.

The product of its digits is 3024, while the sum is 29.

The square root of 123112667 is about 11095.6147644013. The cubic root of 123112667 is about 497.4707837021.

Adding to 123112667 its reverse (766211321), we get a palindrome (889323988).

The spelling of 123112667 in words is "one hundred twenty-three million, one hundred twelve thousand, six hundred sixty-seven".