133110023 has 4 divisors (see below), whose sum is σ = 134795040. Its totient is φ = 131425008.

The previous prime is 133110011. The next prime is 133110031. The reversal of 133110023 is 320011331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320011331 = 197 ⋅1624423.

It is a cyclic number.

It is not a de Polignac number, because 133110023 - 2¹⁸ = 132847879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133110073) 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, 842390 + ... + 842547.

It is an arithmetic number, because the mean of its divisors is an integer number (33698760).

Almost surely, 2^133110023 is an apocalyptic number.

133110023 is a deficient number, since it is larger than the sum of its proper divisors (1685017).

133110023 is an equidigital number, since it uses as much as digits as its factorization.

133110023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1685016.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 133110023 is about 11537.3317105820. The cubic root of 133110023 is about 510.5875875313.

Adding to 133110023 its reverse (320011331), we get a palindrome (453121354).

The spelling of 133110023 in words is "one hundred thirty-three million, one hundred ten thousand, twenty-three".