425420442155523 has 8 divisors (see below), whose sum is σ = 585524909633536. Its totient is φ = 274464801390600.

The previous prime is 425420442155353. The next prime is 425420442155531. The reversal of 425420442155523 is 325551244024524.

It is a happy number.

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

It is not a de Polignac number, because 425420442155523 - 2²² = 425420437961219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425420442155123) 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, 2287206678163 + ... + 2287206678348.

It is an arithmetic number, because the mean of its divisors is an integer number (73190613704192).

Almost surely, 2^{425420442155523} is an apocalyptic number.

425420442155523 is a deficient number, since it is larger than the sum of its proper divisors (160104467478013).

425420442155523 is a wasteful number, since it uses less digits than its factorization.

425420442155523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4574413356545.

The product of its (nonzero) digits is 7680000, while the sum is 48.

The spelling of 425420442155523 in words is "four hundred twenty-five trillion, four hundred twenty billion, four hundred forty-two million, one hundred fifty-five thousand, five hundred twenty-three".