123200213023 has 16 divisors (see below), whose sum is σ = 130577771520. Its totient is φ = 115997517504.

The previous prime is 123200212943. The next prime is 123200213131. The reversal of 123200213023 is 320312002321.

It is a cyclic number.

It is not a de Polignac number, because 123200213023 - 2²¹ = 123198115871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123200213923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 771598 + ... + 917476.

It is an arithmetic number, because the mean of its divisors is an integer number (8161110720).

Almost surely, 2^123200213023 is an apocalyptic number.

123200213023 is a deficient number, since it is larger than the sum of its proper divisors (7377558497).

123200213023 is a wasteful number, since it uses less digits than its factorization.

123200213023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146478.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 123200213023 its reverse (320312002321), we get a palindrome (443512215344).

The spelling of 123200213023 in words is "one hundred twenty-three billion, two hundred million, two hundred thirteen thousand, twenty-three".