23131121003 has 8 divisors (see below), whose sum is σ = 23697975840. Its totient is φ = 22564393920.

The previous prime is 23131120979. The next prime is 23131121051. The reversal of 23131121003 is 30012113132.

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 23131121003 - 2⁶ = 23131120939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23131121063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 407858 + ... + 461096.

It is an arithmetic number, because the mean of its divisors is an integer number (2962246980).

Almost surely, 2^23131121003 is an apocalyptic number.

23131121003 is a deficient number, since it is larger than the sum of its proper divisors (566854837).

23131121003 is a wasteful number, since it uses less digits than its factorization.

23131121003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63877.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 23131121003 its reverse (30012113132), we get a palindrome (53143234135).

The spelling of 23131121003 in words is "twenty-three billion, one hundred thirty-one million, one hundred twenty-one thousand, three".