42204023123 has 8 divisors (see below), whose sum is σ = 42754897440. Its totient is φ = 41654852800.

The previous prime is 42204023063. The next prime is 42204023129. The reversal of 42204023123 is 32132040224.

42204023123 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 42204023123 - 2¹⁴ = 42204006739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42204023129) 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, 376103 + ... + 475248.

It is an arithmetic number, because the mean of its divisors is an integer number (5344362180).

Almost surely, 2^42204023123 is an apocalyptic number.

42204023123 is a deficient number, since it is larger than the sum of its proper divisors (550874317).

42204023123 is an equidigital number, since it uses as much as digits as its factorization.

42204023123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851997.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 42204023123 its reverse (32132040224), we get a palindrome (74336063347).

The spelling of 42204023123 in words is "forty-two billion, two hundred four million, twenty-three thousand, one hundred twenty-three".