42456263123 has 8 divisors (see below), whose sum is σ = 43182240192. Its totient is φ = 41733000936.

The previous prime is 42456263107. The next prime is 42456263137. The reversal of 42456263123 is 32136265424.

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 42456263123 - 2⁴ = 42456263107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42456263153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 647165 + ... + 709742.

It is an arithmetic number, because the mean of its divisors is an integer number (5397780024).

Almost surely, 2^42456263123 is an apocalyptic number.

42456263123 is a deficient number, since it is larger than the sum of its proper divisors (725977069).

42456263123 is a wasteful number, since it uses less digits than its factorization.

42456263123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1357441.

The product of its digits is 207360, while the sum is 38.

The spelling of 42456263123 in words is "forty-two billion, four hundred fifty-six million, two hundred sixty-three thousand, one hundred twenty-three".