12724273923 has 16 divisors (see below), whose sum is σ = 17718829056. Its totient is φ = 8106929600.

The previous prime is 12724273873. The next prime is 12724273987. The reversal of 12724273923 is 32937242721.

It is a happy number.

It is not a de Polignac number, because 12724273923 - 2¹³ = 12724265731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12724273123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 690 + ... + 159527.

It is an arithmetic number, because the mean of its divisors is an integer number (1107426816).

Almost surely, 2^12724273923 is an apocalyptic number.

12724273923 is a deficient number, since it is larger than the sum of its proper divisors (4994555133).

12724273923 is a wasteful number, since it uses less digits than its factorization.

12724273923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161394.

The product of its digits is 254016, while the sum is 42.

The spelling of 12724273923 in words is "twelve billion, seven hundred twenty-four million, two hundred seventy-three thousand, nine hundred twenty-three".