4123545455 has 16 divisors (see below), whose sum is σ = 5236130304. Its totient is φ = 3110960160.

The previous prime is 4123545443. The next prime is 4123545473. The reversal of 4123545455 is 5545453214.

It is not a de Polignac number, because 4123545455 - 2⁸ = 4123545199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244349 + ... + 260678.

It is an arithmetic number, because the mean of its divisors is an integer number (327258144).

Almost surely, 2^4123545455 is an apocalyptic number.

4123545455 is a deficient number, since it is larger than the sum of its proper divisors (1112584849).

4123545455 is a wasteful number, since it uses less digits than its factorization.

4123545455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505126.

The product of its digits is 240000, while the sum is 38.

The square root of 4123545455 is about 64214.8382774573. The cubic root of 4123545455 is about 1603.5786376643.

Adding to 4123545455 its reverse (5545453214), we get a palindrome (9668998669).

The spelling of 4123545455 in words is "four billion, one hundred twenty-three million, five hundred forty-five thousand, four hundred fifty-five".