23103120133 has 4 divisors (see below), whose sum is σ = 23105230848. Its totient is φ = 23101009420.

The previous prime is 23103120121. The next prime is 23103120149. The reversal of 23103120133 is 33102130132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23103120133 - 2⁵ = 23103120101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23103120133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23103121133) 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, 1038853 + ... + 1060858.

It is an arithmetic number, because the mean of its divisors is an integer number (5776307712).

Almost surely, 2^23103120133 is an apocalyptic number.

It is an amenable number.

23103120133 is a deficient number, since it is larger than the sum of its proper divisors (2110715).

23103120133 is a wasteful number, since it uses less digits than its factorization.

23103120133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2110714.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 23103120133 its reverse (33102130132), we get a palindrome (56205250265).

Subtracting 23103120133 from its reverse (33102130132), we obtain a palindrome (9999009999).

The spelling of 23103120133 in words is "twenty-three billion, one hundred three million, one hundred twenty thousand, one hundred thirty-three".