10331403123 has 4 divisors (see below), whose sum is σ = 13775204168. Its totient is φ = 6887602080.

The previous prime is 10331403119. The next prime is 10331403133. The reversal of 10331403123 is 32130413301.

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

It is not a de Polignac number, because 10331403123 - 2² = 10331403119 is a prime.

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 10331403123.

It is not an unprimeable number, because it can be changed into a prime (10331403133) 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, 1721900518 + ... + 1721900523.

It is an arithmetic number, because the mean of its divisors is an integer number (3443801042).

Almost surely, 2^10331403123 is an apocalyptic number.

10331403123 is a deficient number, since it is larger than the sum of its proper divisors (3443801045).

10331403123 is an equidigital number, since it uses as much as digits as its factorization.

10331403123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3443801044.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 10331403123 its reverse (32130413301), we get a palindrome (42461816424).

The spelling of 10331403123 in words is "ten billion, three hundred thirty-one million, four hundred three thousand, one hundred twenty-three".