23131121130003 has 16 divisors (see below), whose sum is σ = 31147729330176. Its totient is φ = 15268217958720.

The previous prime is 23131121129981. The next prime is 23131121130011. The reversal of 23131121130003 is 30003112113132.

It is a happy number.

It is not a de Polignac number, because 23131121130003 - 2²⁴ = 23131104352787 is a prime.

It is a super-3 number, since 3×23131121130003³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (23131121130083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73315303 + ... + 73630128.

It is an arithmetic number, because the mean of its divisors is an integer number (1946733083136).

Almost surely, 2^{23131121130003} is an apocalyptic number.

23131121130003 is a deficient number, since it is larger than the sum of its proper divisors (8016608200173).

23131121130003 is a wasteful number, since it uses less digits than its factorization.

23131121130003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146945954.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 23131121130003 its reverse (30003112113132), we get a palindrome (53134233243135).

The spelling of 23131121130003 in words is "twenty-three trillion, one hundred thirty-one billion, one hundred twenty-one million, one hundred thirty thousand, three".