123101131301323 has 4 divisors (see below), whose sum is σ = 140687007201520. Its totient is φ = 105515255401128.

The previous prime is 123101131301297. The next prime is 123101131301389. The reversal of 123101131301323 is 323103131101321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123101131301323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123101131301123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8792937950088 + ... + 8792937950101.

It is an arithmetic number, because the mean of its divisors is an integer number (35171751800380).

Almost surely, 2^{123101131301323} is an apocalyptic number.

123101131301323 is a deficient number, since it is larger than the sum of its proper divisors (17585875900197).

123101131301323 is an equidigital number, since it uses as much as digits as its factorization.

123101131301323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17585875900196.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 123101131301323 its reverse (323103131101321), we get a palindrome (446204262402644).

The spelling of 123101131301323 in words is "one hundred twenty-three trillion, one hundred one billion, one hundred thirty-one million, three hundred one thousand, three hundred twenty-three".