5478255123 has 16 divisors (see below), whose sum is σ = 8387760000. Its totient is φ = 3145409280.

The previous prime is 5478255119. The next prime is 5478255127. The reversal of 5478255123 is 3215528745.

It is an interprime number because it is at equal distance from previous prime (5478255119) and next prime (5478255127).

It is not a de Polignac number, because 5478255123 - 2² = 5478255119 is a prime.

It is a super-2 number, since 2×5478255123² = 60022558385351490258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5478255127) 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, 4367998 + ... + 4369251.

It is an arithmetic number, because the mean of its divisors is an integer number (524235000).

Almost surely, 2^5478255123 is an apocalyptic number.

5478255123 is a deficient number, since it is larger than the sum of its proper divisors (2909504877).

5478255123 is a wasteful number, since it uses less digits than its factorization.

5478255123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8737282.

The product of its digits is 336000, while the sum is 42.

The square root of 5478255123 is about 74015.2357491348. The cubic root of 5478255123 is about 1762.8448227498.

It can be divided in two parts, 5 and 478255123, that added together give a triangular number (478255128 = T₃₀₉₂₇).

The spelling of 5478255123 in words is "five billion, four hundred seventy-eight million, two hundred fifty-five thousand, one hundred twenty-three".