2123402033231 has 8 divisors (see below), whose sum is σ = 2235327143280. Its totient is φ = 2011493634048.

The previous prime is 2123402033227. The next prime is 2123402033251. The reversal of 2123402033231 is 1323302043212.

It is a happy number.

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 2123402033231 - 2² = 2123402033227 is a prime.

It is a super-2 number, since 2×2123402033231² (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 2123402033231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123402033251) 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, 3916466 + ... + 4425551.

It is an arithmetic number, because the mean of its divisors is an integer number (279415892910).

Almost surely, 2^{2123402033231} is an apocalyptic number.

2123402033231 is a deficient number, since it is larger than the sum of its proper divisors (111925110049).

2123402033231 is a wasteful number, since it uses less digits than its factorization.

2123402033231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8355433.

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

Adding to 2123402033231 its reverse (1323302043212), we get a palindrome (3446704076443).

The spelling of 2123402033231 in words is "two trillion, one hundred twenty-three billion, four hundred two million, thirty-three thousand, two hundred thirty-one".