16763431123 has 6 divisors (see below), whose sum is σ = 16848995636. Its totient is φ = 16678298952.

The previous prime is 16763431037. The next prime is 16763431127. The reversal of 16763431123 is 32113436761.

It is not a de Polignac number, because 16763431123 - 2⁹ = 16763430611 is a prime.

It is a super-2 number, since 2×16763431123² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16763431127) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 177165 + ... + 254782.

Almost surely, 2^16763431123 is an apocalyptic number.

16763431123 is a deficient number, since it is larger than the sum of its proper divisors (85564513).

16763431123 is an frugal number, since it uses more digits than its factorization.

16763431123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432341 (or 432144 counting only the distinct ones).

The product of its digits is 54432, while the sum is 37.

Adding to 16763431123 its reverse (32113436761), we get a palindrome (48876867884).

The spelling of 16763431123 in words is "sixteen billion, seven hundred sixty-three million, four hundred thirty-one thousand, one hundred twenty-three".