4123455 has 32 divisors (see below), whose sum is σ = 7617024. Its totient is φ = 1865856.

The previous prime is 4123447. The next prime is 4123477. The reversal of 4123455 is 5543214.

It is not a de Polignac number, because 4123455 - 2³ = 4123447 is a prime.

It is a super-2 number, since 2×4123455² = 34005762274050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18052 + ... + 18278.

It is an arithmetic number, because the mean of its divisors is an integer number (238032).

Almost surely, 2^4123455 is an apocalyptic number.

4123455 is a deficient number, since it is larger than the sum of its proper divisors (3493569).

4123455 is a wasteful number, since it uses less digits than its factorization.

4123455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415.

The product of its digits is 2400, while the sum is 24.

The square root of 4123455 is about 2030.6292128303. The cubic root of 4123455 is about 160.3566912094.

Adding to 4123455 its reverse (5543214), we get a palindrome (9666669).

The spelling of 4123455 in words is "four million, one hundred twenty-three thousand, four hundred fifty-five".