2120330423231 has 4 divisors (see below), whose sum is σ = 2120378353200. Its totient is φ = 2120282493264.

The previous prime is 2120330423201. The next prime is 2120330423291. The reversal of 2120330423231 is 1323240330212.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2120330423231 - 2¹⁰ = 2120330422207 is a prime.

It is a super-2 number, since 2×2120330423231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2120330423231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120330423201) 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, 23898566 + ... + 23987123.

It is an arithmetic number, because the mean of its divisors is an integer number (530094588300).

Almost surely, 2^{2120330423231} is an apocalyptic number.

2120330423231 is a deficient number, since it is larger than the sum of its proper divisors (47929969).

2120330423231 is an equidigital number, since it uses as much as digits as its factorization.

2120330423231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47929968.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 2120330423231 its reverse (1323240330212), we get a palindrome (3443570753443).

The spelling of 2120330423231 in words is "two trillion, one hundred twenty billion, three hundred thirty million, four hundred twenty-three thousand, two hundred thirty-one".