10023131111123 has 4 divisors (see below), whose sum is σ = 10794141196608. Its totient is φ = 9252121025640.

The previous prime is 10023131111113. The next prime is 10023131111131. The reversal of 10023131111123 is 32111113132001.

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

It is a cyclic number.

It is not a de Polignac number, because 10023131111123 - 2¹⁸ = 10023130848979 is a prime.

It is a super-2 number, since 2×10023131111123² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10023131111095 and 10023131111104.

It is not an unprimeable number, because it can be changed into a prime (10023131111113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385505042723 + ... + 385505042748.

It is an arithmetic number, because the mean of its divisors is an integer number (2698535299152).

Almost surely, 2^{10023131111123} is an apocalyptic number.

10023131111123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

10023131111123 is a deficient number, since it is larger than the sum of its proper divisors (771010085485).

10023131111123 is an equidigital number, since it uses as much as digits as its factorization.

10023131111123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771010085484.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 10023131111123 its reverse (32111113132001), we get a palindrome (42134244243124).

The spelling of 10023131111123 in words is "ten trillion, twenty-three billion, one hundred thirty-one million, one hundred eleven thousand, one hundred twenty-three".