123203023212331 has 16 divisors (see below), whose sum is σ = 125184545763840. Its totient is φ = 121228432597440.

The previous prime is 123203023212281. The next prime is 123203023212343. The reversal of 123203023212331 is 133212320302321.

It is a happy number.

It is not a de Polignac number, because 123203023212331 - 2¹¹ = 123203023210283 is a prime.

It is a super-2 number, since 2×123203023212331² (a number of 29 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 123203023212331.

It is not an unprimeable number, because it can be changed into a prime (123203023212361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190481626 + ... + 191127328.

It is an arithmetic number, because the mean of its divisors is an integer number (7824034110240).

Almost surely, 2^{123203023212331} is an apocalyptic number.

123203023212331 is a deficient number, since it is larger than the sum of its proper divisors (1981522551509).

123203023212331 is an equidigital number, since it uses as much as digits as its factorization.

123203023212331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651066.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 123203023212331 its reverse (133212320302321), we get a palindrome (256415343514652).

The spelling of 123203023212331 in words is "one hundred twenty-three trillion, two hundred three billion, twenty-three million, two hundred twelve thousand, three hundred thirty-one".