133603723 has 12 divisors (see below), whose sum is σ = 147577864. Its totient is φ = 120859200.

The previous prime is 133603721. The next prime is 133603733. The reversal of 133603723 is 327306331.

It is not a de Polignac number, because 133603723 - 2¹ = 133603721 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133603691 and 133603700.

It is not an unprimeable number, because it can be changed into a prime (133603721) 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, 22915 + ... + 28147.

Almost surely, 2^133603723 is an apocalyptic number.

133603723 is a deficient number, since it is larger than the sum of its proper divisors (13974141).

133603723 is a wasteful number, since it uses less digits than its factorization.

133603723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5466 (or 5455 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 28.

The square root of 133603723 is about 11558.7076699776. The cubic root of 133603723 is about 511.2180586728.

The spelling of 133603723 in words is "one hundred thirty-three million, six hundred three thousand, seven hundred twenty-three".