3123454005 has 48 divisors (see below), whose sum is σ = 6338352384. Its totient is φ = 1393032960.

The previous prime is 3123454001. The next prime is 3123454057. The reversal of 3123454005 is 5004543213.

3123454005 is a `hidden beast` number, since 312 + 345 + 4 + 0 + 0 + 5 = 666.

It is not a de Polignac number, because 3123454005 - 2² = 3123454001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3123454005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3123454001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 108009 + ... + 133838.

It is an arithmetic number, because the mean of its divisors is an integer number (132049008).

Almost surely, 2^3123454005 is an apocalyptic number.

3123454005 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3123454005 is an abundant number, since it is smaller than the sum of its proper divisors (3214898379).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3123454005 is a wasteful number, since it uses less digits than its factorization.

3123454005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241906 (or 241903 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 3123454005 is about 55887.8699272033. The cubic root of 3123454005 is about 1461.7677351081.

Adding to 3123454005 its reverse (5004543213), we get a palindrome (8127997218).

The spelling of 3123454005 in words is "three billion, one hundred twenty-three million, four hundred fifty-four thousand, five".