23231121443313 has 32 divisors (see below), whose sum is σ = 37495032088320. Its totient is φ = 12489752985600.

The previous prime is 23231121443311. The next prime is 23231121443423. The reversal of 23231121443313 is 31334412113232.

It is not a de Polignac number, because 23231121443313 - 2¹ = 23231121443311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23231121443311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10146288 + ... + 12223313.

It is an arithmetic number, because the mean of its divisors is an integer number (1171719752760).

Almost surely, 2^{23231121443313} is an apocalyptic number.

It is an amenable number.

23231121443313 is a deficient number, since it is larger than the sum of its proper divisors (14263910645007).

23231121443313 is a wasteful number, since it uses less digits than its factorization.

23231121443313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22372537.

The product of its digits is 31104, while the sum is 33.

Adding to 23231121443313 its reverse (31334412113232), we get a palindrome (54565533556545).

The spelling of 23231121443313 in words is "twenty-three trillion, two hundred thirty-one billion, one hundred twenty-one million, four hundred forty-three thousand, three hundred thirteen".