16267440123 has 48 divisors (see below), whose sum is σ = 27076008960. Its totient is φ = 9319060800.

The previous prime is 16267440113. The next prime is 16267440151. The reversal of 16267440123 is 32104476261.

16267440123 is a `hidden beast` number, since 1 + 626 + 7 + 4 + 4 + 0 + 1 + 23 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-16267440123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16267440113) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 70333 + ... + 193601.

It is an arithmetic number, because the mean of its divisors is an integer number (564083520).

Almost surely, 2^16267440123 is an apocalyptic number.

16267440123 is a deficient number, since it is larger than the sum of its proper divisors (10808568837).

16267440123 is a wasteful number, since it uses less digits than its factorization.

16267440123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123360 (or 123357 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The spelling of 16267440123 in words is "sixteen billion, two hundred sixty-seven million, four hundred forty thousand, one hundred twenty-three".