212330223123 has 16 divisors (see below), whose sum is σ = 290788690176. Its totient is φ = 137713413600.

The previous prime is 212330223121. The next prime is 212330223139. The reversal of 212330223123 is 321322033212.

It is not a de Polignac number, because 212330223123 - 2¹ = 212330223121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212330223093 and 212330223102.

It is not an unprimeable number, because it can be changed into a prime (212330223121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1032540 + ... + 1220982.

It is an arithmetic number, because the mean of its divisors is an integer number (18174293136).

Almost surely, 2^212330223123 is an apocalyptic number.

212330223123 is a deficient number, since it is larger than the sum of its proper divisors (78458467053).

212330223123 is a wasteful number, since it uses less digits than its factorization.

212330223123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198634.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 212330223123 its reverse (321322033212), we get a palindrome (533652256335).

The spelling of 212330223123 in words is "two hundred twelve billion, three hundred thirty million, two hundred twenty-three thousand, one hundred twenty-three".