3478273523 has 4 divisors (see below), whose sum is σ = 3478406928. Its totient is φ = 3478140120.

The previous prime is 3478273507. The next prime is 3478273531. The reversal of 3478273523 is 3253728743.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3253728743 = 409 ⋅7955327.

It is a cyclic number.

It is not a de Polignac number, because 3478273523 - 2⁴ = 3478273507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3478273553) 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, 13388 + ... + 84473.

It is an arithmetic number, because the mean of its divisors is an integer number (869601732).

Almost surely, 2^3478273523 is an apocalyptic number.

3478273523 is a deficient number, since it is larger than the sum of its proper divisors (133405).

3478273523 is an equidigital number, since it uses as much as digits as its factorization.

3478273523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133404.

The product of its digits is 846720, while the sum is 44.

The square root of 3478273523 is about 58976.8897365739. The cubic root of 3478273523 is about 1515.1463256228.

The spelling of 3478273523 in words is "three billion, four hundred seventy-eight million, two hundred seventy-three thousand, five hundred twenty-three".