133101223 has 4 divisors (see below), whose sum is σ = 133687800. Its totient is φ = 132514648.

The previous prime is 133101217. The next prime is 133101233. The reversal of 133101223 is 322101331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322101331 = 73 ⋅4412347.

It is a cyclic number.

It is not a de Polignac number, because 133101223 - 2⁹ = 133100711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133101197 and 133101206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133101203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 292948 + ... + 293401.

It is an arithmetic number, because the mean of its divisors is an integer number (33421950).

Almost surely, 2^133101223 is an apocalyptic number.

133101223 is a deficient number, since it is larger than the sum of its proper divisors (586577).

133101223 is an equidigital number, since it uses as much as digits as its factorization.

133101223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586576.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 133101223 is about 11536.9503336020. The cubic root of 133101223 is about 510.5763355117.

Adding to 133101223 its product of nonzero digits (108), we get a palindrome (133101331).

Adding to 133101223 its reverse (322101331), we get a palindrome (455202554).

The spelling of 133101223 in words is "one hundred thirty-three million, one hundred one thousand, two hundred twenty-three".