123020032203131 has 16 divisors (see below), whose sum is σ = 140802529158144. Its totient is φ = 105289592088384.

The previous prime is 123020032203119. The next prime is 123020032203137. The reversal of 123020032203131 is 131302230020321.

It is a cyclic number.

It is not a de Polignac number, because 123020032203131 - 2²⁶ = 123019965094267 is a prime.

It is a super-2 number, since 2×123020032203131² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123020032203097 and 123020032203106.

It is not an unprimeable number, because it can be changed into a prime (123020032203137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 342106430 + ... + 342465836.

It is an arithmetic number, because the mean of its divisors is an integer number (8800158072384).

Almost surely, 2^{123020032203131} is an apocalyptic number.

123020032203131 is a deficient number, since it is larger than the sum of its proper divisors (17782496955013).

123020032203131 is an equidigital number, since it uses as much as digits as its factorization.

123020032203131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431690.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 123020032203131 its reverse (131302230020321), we get a palindrome (254322262223452).

The spelling of 123020032203131 in words is "one hundred twenty-three trillion, twenty billion, thirty-two million, two hundred three thousand, one hundred thirty-one".