133332723 has 20 divisors (see below), whose sum is σ = 203813368. Its totient is φ = 86819040.

The previous prime is 133332713. The next prime is 133332733. The reversal of 133332723 is 327233331.

It is a happy number.

133332723 is a `hidden beast` number, since 1 + 333 + 327 + 2 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (133332713) and next prime (133332733).

It is not a de Polignac number, because 133332723 - 2⁶ = 133332659 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133332713) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 15658 + ... + 22623.

Almost surely, 2^133332723 is an apocalyptic number.

133332723 is a deficient number, since it is larger than the sum of its proper divisors (70480645).

133332723 is an equidigital number, since it uses as much as digits as its factorization.

133332723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38336 (or 38327 counting only the distinct ones).

The product of its digits is 6804, while the sum is 27.

The square root of 133332723 is about 11546.9789555537. The cubic root of 133332723 is about 510.8721754209.

The spelling of 133332723 in words is "one hundred thirty-three million, three hundred thirty-two thousand, seven hundred twenty-three".