2311223323320 has 48 divisors (see below), whose sum is σ = 7511475801960. Its totient is φ = 616326219456.

The previous prime is 2311223323313. The next prime is 2311223323327. The reversal of 2311223323320 is 233233221132.

2311223323320 is a `hidden beast` number, since 2 + 3 + 1 + 1 + 2 + 2 + 332 + 3 + 320 = 666.

It is an interprime number because it is at equal distance from previous prime (2311223323313) and next prime (2311223323327).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311223323327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3210032034 + ... + 3210032753.

Almost surely, 2^{2311223323320} is an apocalyptic number.

2311223323320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2311223323320 is an abundant number, since it is smaller than the sum of its proper divisors (5200252478640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2311223323320 is a wasteful number, since it uses less digits than its factorization.

2311223323320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6420064804 (or 6420064797 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 2311223323320 its reverse (233233221132), we get a palindrome (2544456544452).

The spelling of 2311223323320 in words is "two trillion, three hundred eleven billion, two hundred twenty-three million, three hundred twenty-three thousand, three hundred twenty".