23031321013201 has 4 divisors (see below), whose sum is σ = 23032741225572. Its totient is φ = 23029900800832.

The previous prime is 23031321013159. The next prime is 23031321013229. The reversal of 23031321013201 is 10231012313032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9169698478801 + 13861622534400 = 3028151^2 + 3723120^2 .

It is a cyclic number.

It is not a de Polignac number, because 23031321013201 - 2³³ = 23022731078609 is a prime.

It is a super-2 number, since 2×23031321013201² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23031321013231) 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, 710081860 + ... + 710114293.

It is an arithmetic number, because the mean of its divisors is an integer number (5758185306393).

Almost surely, 2^{23031321013201} is an apocalyptic number.

It is an amenable number.

23031321013201 is a deficient number, since it is larger than the sum of its proper divisors (1420212371).

23031321013201 is a wasteful number, since it uses less digits than its factorization.

23031321013201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1420212370.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 23031321013201 its reverse (10231012313032), we get a palindrome (33262333326233).

The spelling of 23031321013201 in words is "twenty-three trillion, thirty-one billion, three hundred twenty-one million, thirteen thousand, two hundred one".