42723441851 has 8 divisors (see below), whose sum is σ = 43058759424. Its totient is φ = 42388813800.

The previous prime is 42723441823. The next prime is 42723441853. The reversal of 42723441851 is 15814432724.

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 42723441851 - 2¹⁰ = 42723440827 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42723441799 and 42723441808.

It is not an unprimeable number, because it can be changed into a prime (42723441853) 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, 47621 + ... + 296166.

It is an arithmetic number, because the mean of its divisors is an integer number (5382344928).

Almost surely, 2^42723441851 is an apocalyptic number.

42723441851 is a deficient number, since it is larger than the sum of its proper divisors (335317573).

42723441851 is a wasteful number, since it uses less digits than its factorization.

42723441851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344761.

The product of its digits is 215040, while the sum is 41.

The spelling of 42723441851 in words is "forty-two billion, seven hundred twenty-three million, four hundred forty-one thousand, eight hundred fifty-one".