133207123 has 8 divisors (see below), whose sum is σ = 152445440. Its totient is φ = 114021000.

The previous prime is 133207091. The next prime is 133207127. The reversal of 133207123 is 321702331.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133207123 - 2⁵ = 133207091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133207094 and 133207103.

It is not an unprimeable number, because it can be changed into a prime (133207127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7413 + ... + 17926.

It is an arithmetic number, because the mean of its divisors is an integer number (19055680).

Almost surely, 2^133207123 is an apocalyptic number.

133207123 is a deficient number, since it is larger than the sum of its proper divisors (19238317).

133207123 is an equidigital number, since it uses as much as digits as its factorization.

133207123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26097.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 133207123 is about 11541.5390221582. The cubic root of 133207123 is about 510.7117104267.

Adding to 133207123 its reverse (321702331), we get a palindrome (454909454).

The spelling of 133207123 in words is "one hundred thirty-three million, two hundred seven thousand, one hundred twenty-three".