3445020523 has 16 divisors (see below), whose sum is σ = 4195768320. Its totient is φ = 2764387296.

The previous prime is 3445020479. The next prime is 3445020547. The reversal of 3445020523 is 3250205443.

It is not a de Polignac number, because 3445020523 - 2⁹ = 3445020011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3445020491 and 3445020500.

It is not an unprimeable number, because it can be changed into a prime (3445020583) 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, 220068 + ... + 235201.

It is an arithmetic number, because the mean of its divisors is an integer number (262235520).

Almost surely, 2^3445020523 is an apocalyptic number.

3445020523 is a deficient number, since it is larger than the sum of its proper divisors (750747797).

3445020523 is a wasteful number, since it uses less digits than its factorization.

3445020523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455346.

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 3445020523 is about 58694.2971931686. The cubic root of 3445020523 is about 1510.3024879730.

Adding to 3445020523 its reverse (3250205443), we get a palindrome (6695225966).

The spelling of 3445020523 in words is "three billion, four hundred forty-five million, twenty thousand, five hundred twenty-three".