2100203231323 has 8 divisors (see below), whose sum is σ = 2167968706560. Its totient is φ = 2032438817640.

The previous prime is 2100203231317. The next prime is 2100203231327. The reversal of 2100203231323 is 3231323020012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2100203231323 is a prime.

It is a super-2 number, since 2×2100203231323² (a number of 25 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 = 2100203231294 and 2100203231303.

It is not an unprimeable number, because it can be changed into a prime (2100203231327) 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, 6464886 + ... + 6781972.

It is an arithmetic number, because the mean of its divisors is an integer number (270996088320).

Almost surely, 2^{2100203231323} is an apocalyptic number.

2100203231323 is a deficient number, since it is larger than the sum of its proper divisors (67765475237).

2100203231323 is a wasteful number, since it uses less digits than its factorization.

2100203231323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530777.

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

Adding to 2100203231323 its reverse (3231323020012), we get a palindrome (5331526251335).

The spelling of 2100203231323 in words is "two trillion, one hundred billion, two hundred three million, two hundred thirty-one thousand, three hundred twenty-three".