2123233310331 has 32 divisors (see below), whose sum is σ = 3692051642880. Its totient is φ = 1180484925408.

The previous prime is 2123233310221. The next prime is 2123233310347. The reversal of 2123233310331 is 1330133323212.

2123233310331 is a `hidden beast` number, since 2 + 1 + 2 + 323 + 3 + 3 + 1 + 0 + 331 = 666.

It is not a de Polignac number, because 2123233310331 - 2²⁹ = 2122696439419 is a prime.

It is a super-2 number, since 2×2123233310331² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 2123233310295 and 2123233310304.

It is not an unprimeable number, because it can be changed into a prime (2123233310351) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 151804341 + ... + 151818326.

It is an arithmetic number, because the mean of its divisors is an integer number (115376613840).

Almost surely, 2^{2123233310331} is an apocalyptic number.

2123233310331 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2123233310331 is a deficient number, since it is larger than the sum of its proper divisors (1568818332549).

2123233310331 is a wasteful number, since it uses less digits than its factorization.

2123233310331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303622720 (or 303622714 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

Adding to 2123233310331 its reverse (1330133323212), we get a palindrome (3453366633543).

The spelling of 2123233310331 in words is "two trillion, one hundred twenty-three billion, two hundred thirty-three million, three hundred ten thousand, three hundred thirty-one".