12240178723 has 8 divisors (see below), whose sum is σ = 12355437248. Its totient is φ = 12125410344.

The previous prime is 12240178649. The next prime is 12240178729. The reversal of 12240178723 is 32787104221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12240178723 - 2¹³ = 12240170531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12240178729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72261 + ... + 172342.

It is an arithmetic number, because the mean of its divisors is an integer number (1544429656).

Almost surely, 2^12240178723 is an apocalyptic number.

12240178723 is a deficient number, since it is larger than the sum of its proper divisors (115258525).

12240178723 is a wasteful number, since it uses less digits than its factorization.

12240178723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245073.

The product of its (nonzero) digits is 37632, while the sum is 37.

The spelling of 12240178723 in words is "twelve billion, two hundred forty million, one hundred seventy-eight thousand, seven hundred twenty-three".