123146667 has 12 divisors (see below), whose sum is σ = 203289840. Its totient is φ = 70369488.

The previous prime is 123146651. The next prime is 123146689. The reversal of 123146667 is 766641321.

It is a happy number.

It is not a de Polignac number, because 123146667 - 2⁴ = 123146651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123148667) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 977292 + ... + 977417.

It is an arithmetic number, because the mean of its divisors is an integer number (16940820).

Almost surely, 2^123146667 is an apocalyptic number.

123146667 is a deficient number, since it is larger than the sum of its proper divisors (80143173).

123146667 is a wasteful number, since it uses less digits than its factorization.

123146667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1954722 (or 1954719 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 123146667 is about 11097.1467954605. The cubic root of 123146667 is about 497.5165749551.

Adding to 123146667 its reverse (766641321), we get a palindrome (889787988).

It can be divided in two parts, 12314 and 6667, that added together give a palindrome (18981).

The spelling of 123146667 in words is "one hundred twenty-three million, one hundred forty-six thousand, six hundred sixty-seven".