2323120031211 has 64 divisors (see below), whose sum is σ = 3791725129728. Its totient is φ = 1234970247168.

The previous prime is 2323120031203. The next prime is 2323120031249. The reversal of 2323120031211 is 1121300213232.

It is not a de Polignac number, because 2323120031211 - 2³ = 2323120031203 is a prime.

It is a super-2 number, since 2×2323120031211² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (2323120071211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14726691 + ... + 14883603.

It is an arithmetic number, because the mean of its divisors is an integer number (59245705152).

Almost surely, 2^{2323120031211} is an apocalyptic number.

2323120031211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2323120031211 is a deficient number, since it is larger than the sum of its proper divisors (1468605098517).

2323120031211 is a wasteful number, since it uses less digits than its factorization.

2323120031211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157420.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2323120031211 its reverse (1121300213232), we get a palindrome (3444420244443).

The spelling of 2323120031211 in words is "two trillion, three hundred twenty-three billion, one hundred twenty million, thirty-one thousand, two hundred eleven".