10023331123 has 4 divisors (see below), whose sum is σ = 10794356608. Its totient is φ = 9252305640.

The previous prime is 10023331093. The next prime is 10023331133. The reversal of 10023331123 is 32113332001.

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-10023331123 is a prime.

It is a super-2 number, since 2×10023331123² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10023331123.

It is not an unprimeable number, because it can be changed into a prime (10023331133) 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, 385512723 + ... + 385512748.

It is an arithmetic number, because the mean of its divisors is an integer number (2698589152).

Almost surely, 2^10023331123 is an apocalyptic number.

10023331123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

10023331123 is a deficient number, since it is larger than the sum of its proper divisors (771025485).

10023331123 is an equidigital number, since it uses as much as digits as its factorization.

10023331123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771025484.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 10023331123 its reverse (32113332001), we get a palindrome (42136663124).

The spelling of 10023331123 in words is "ten billion, twenty-three million, three hundred thirty-one thousand, one hundred twenty-three".