133630723 has 2 divisors, whose sum is σ = 133630724. Its totient is φ = 133630722.

The previous prime is 133630669. The next prime is 133630751. The reversal of 133630723 is 327036331.

It is an a-pointer prime, because the next prime (133630751) can be obtained adding 133630723 to its sum of digits (28).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133630723 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133630691 and 133630700.

It is not a weakly prime, because it can be changed into another prime (133630423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66815361 + 66815362.

It is an arithmetic number, because the mean of its divisors is an integer number (66815362).

Almost surely, 2^133630723 is an apocalyptic number.

133630723 is a deficient number, since it is larger than the sum of its proper divisors (1).

133630723 is an equidigital number, since it uses as much as digits as its factorization.

133630723 is an odious number, because the sum of its binary digits is odd.

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

The square root of 133630723 is about 11559.8755616140. The cubic root of 133630723 is about 511.2524937359.

The spelling of 133630723 in words is "one hundred thirty-three million, six hundred thirty thousand, seven hundred twenty-three".