133667067923 has 16 divisors (see below), whose sum is σ = 134744709120. Its totient is φ = 132595185600.

The previous prime is 133667067893. The next prime is 133667067959. The reversal of 133667067923 is 329760766331.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 133667067923 - 2²⁴ = 133650290707 is a prime.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133667067223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89889686 + ... + 89891172.

It is an arithmetic number, because the mean of its divisors is an integer number (8421544320).

Almost surely, 2^133667067923 is an apocalyptic number.

133667067923 is a deficient number, since it is larger than the sum of its proper divisors (1077641197).

133667067923 is a wasteful number, since it uses less digits than its factorization.

133667067923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2978.

The product of its (nonzero) digits is 5143824, while the sum is 53.

The spelling of 133667067923 in words is "one hundred thirty-three billion, six hundred sixty-seven million, sixty-seven thousand, nine hundred twenty-three".