16312145223 has 32 divisors (see below), whose sum is σ = 24508588032. Its totient is φ = 9560815200.

The previous prime is 16312145207. The next prime is 16312145233. The reversal of 16312145223 is 32254121361.

It is not a de Polignac number, because 16312145223 - 2⁴ = 16312145207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16312145203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1823640 + ... + 1832562.

It is an arithmetic number, because the mean of its divisors is an integer number (765893376).

Almost surely, 2^16312145223 is an apocalyptic number.

16312145223 is a deficient number, since it is larger than the sum of its proper divisors (8196442809).

16312145223 is a wasteful number, since it uses less digits than its factorization.

16312145223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10755.

The product of its digits is 8640, while the sum is 30.

Adding to 16312145223 its reverse (32254121361), we get a palindrome (48566266584).

The spelling of 16312145223 in words is "sixteen billion, three hundred twelve million, one hundred forty-five thousand, two hundred twenty-three".