420895159123 has 4 divisors (see below), whose sum is σ = 421013424880. Its totient is φ = 420776893368.

The previous prime is 420895159093. The next prime is 420895159127. The reversal of 420895159123 is 321951598024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 420895159123 - 2³³ = 412305224531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420895159127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59127540 + ... + 59134657.

It is an arithmetic number, because the mean of its divisors is an integer number (105253356220).

Almost surely, 2^420895159123 is an apocalyptic number.

420895159123 is a deficient number, since it is larger than the sum of its proper divisors (118265757).

420895159123 is a wasteful number, since it uses less digits than its factorization.

420895159123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118265756.

The product of its (nonzero) digits is 777600, while the sum is 49.

The spelling of 420895159123 in words is "four hundred twenty billion, eight hundred ninety-five million, one hundred fifty-nine thousand, one hundred twenty-three".