123011131020023 has 8 divisors (see below), whose sum is σ = 125840241413568. Its totient is φ = 120190847805184.

The previous prime is 123011131020007. The next prime is 123011131020059. The reversal of 123011131020023 is 320020131110321.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123011131020023 - 2⁴ = 123011131020007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123011131019977 and 123011131020004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123011131020083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2206766486 + ... + 2206822227.

It is an arithmetic number, because the mean of its divisors is an integer number (15730030176696).

Almost surely, 2^{123011131020023} is an apocalyptic number.

123011131020023 is a deficient number, since it is larger than the sum of its proper divisors (2829110393545).

123011131020023 is an equidigital number, since it uses as much as digits as its factorization.

123011131020023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4413589353.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 123011131020023 its reverse (320020131110321), we get a palindrome (443031262130344).

The spelling of 123011131020023 in words is "one hundred twenty-three trillion, eleven billion, one hundred thirty-one million, twenty thousand, twenty-three".