478142898123 has 16 divisors (see below), whose sum is σ = 695593942272. Its totient is φ = 289736340000.

The previous prime is 478142898067. The next prime is 478142898131. The reversal of 478142898123 is 321898241874.

It is not a de Polignac number, because 478142898123 - 2¹⁷ = 478142767051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (478142898173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 974808 + ... + 1380773.

It is an arithmetic number, because the mean of its divisors is an integer number (43474621392).

Almost surely, 2^478142898123 is an apocalyptic number.

478142898123 is a deficient number, since it is larger than the sum of its proper divisors (217451044149).

478142898123 is a wasteful number, since it uses less digits than its factorization.

478142898123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2361746.

The product of its digits is 6193152, while the sum is 57.

The spelling of 478142898123 in words is "four hundred seventy-eight billion, one hundred forty-two million, eight hundred ninety-eight thousand, one hundred twenty-three".