123113211101023 has 32 divisors (see below), whose sum is σ = 147368171119680. Its totient is φ = 101360662640640.

The previous prime is 123113211100991. The next prime is 123113211101033. The reversal of 123113211101023 is 320101112311321.

It is not a de Polignac number, because 123113211101023 - 2⁵ = 123113211100991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123113211100985 and 123113211101003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123113211101033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 553223965 + ... + 553446457.

It is an arithmetic number, because the mean of its divisors is an integer number (4605255347490).

Almost surely, 2^{123113211101023} is an apocalyptic number.

123113211101023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

123113211101023 is a deficient number, since it is larger than the sum of its proper divisors (24254960018657).

123113211101023 is a wasteful number, since it uses less digits than its factorization.

123113211101023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295579.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 123113211101023 its reverse (320101112311321), we get a palindrome (443214323412344).

The spelling of 123113211101023 in words is "one hundred twenty-three trillion, one hundred thirteen billion, two hundred eleven million, one hundred one thousand, twenty-three".