20203002311323 has 8 divisors (see below), whose sum is σ = 21771691306400. Its totient is φ = 18636400729728.

The previous prime is 20203002311281. The next prime is 20203002311341. The reversal of 20203002311323 is 32311320030202.

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 20203002311323 - 2⁹ = 20203002310811 is a prime.

It is a super-2 number, since 2×20203002311323² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20203002311294 and 20203002311303.

It is not an unprimeable number, because it can be changed into a prime (20203002315323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 521833263 + ... + 521871976.

It is an arithmetic number, because the mean of its divisors is an integer number (2721461413300).

Almost surely, 2^{20203002311323} is an apocalyptic number.

20203002311323 is a deficient number, since it is larger than the sum of its proper divisors (1568688995077).

20203002311323 is a wasteful number, since it uses less digits than its factorization.

20203002311323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043706741.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 20203002311323 its reverse (32311320030202), we get a palindrome (52514322341525).

The spelling of 20203002311323 in words is "twenty trillion, two hundred three billion, two million, three hundred eleven thousand, three hundred twenty-three".