10403111023 has 4 divisors (see below), whose sum is σ = 10425387960. Its totient is φ = 10380834088.

The previous prime is 10403111003. The next prime is 10403111039. The reversal of 10403111023 is 32011130401.

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-10403111023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10403110988 and 10403111006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10403111003) 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, 11137768 + ... + 11138701.

It is an arithmetic number, because the mean of its divisors is an integer number (2606346990).

Almost surely, 2^10403111023 is an apocalyptic number.

10403111023 is a deficient number, since it is larger than the sum of its proper divisors (22276937).

10403111023 is an equidigital number, since it uses as much as digits as its factorization.

10403111023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22276936.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 10403111023 its reverse (32011130401), we get a palindrome (42414241424).

The spelling of 10403111023 in words is "ten billion, four hundred three million, one hundred eleven thousand, twenty-three".