42732623723 has 8 divisors (see below), whose sum is σ = 44121517440. Its totient is φ = 41344381440.

The previous prime is 42732623693. The next prime is 42732623729. The reversal of 42732623723 is 32732623724.

It is a happy number.

42732623723 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 42732623723 - 2¹² = 42732619627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42732623729) 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, 27740 + ... + 293657.

It is an arithmetic number, because the mean of its divisors is an integer number (5515189680).

Almost surely, 2^42732623723 is an apocalyptic number.

42732623723 is a deficient number, since it is larger than the sum of its proper divisors (1388893717).

42732623723 is a wasteful number, since it uses less digits than its factorization.

42732623723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325717.

The product of its digits is 508032, while the sum is 41.

Subtracting from 42732623723 its reverse (32732623724), we obtain a palindrome (9999999999).

The spelling of 42732623723 in words is "forty-two billion, seven hundred thirty-two million, six hundred twenty-three thousand, seven hundred twenty-three".