5123428 has 6 divisors (see below), whose sum is σ = 8966006. Its totient is φ = 2561712.

The previous prime is 5123399. The next prime is 5123429. The reversal of 5123428 is 8243215.

It can be written as a sum of positive squares in only one way, i.e., 2985984 + 2137444 = 1728^2 + 1462^2 .

It is not an unprimeable number, because it can be changed into a prime (5123429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 640425 + ... + 640432.

Almost surely, 2^5123428 is an apocalyptic number.

It is an amenable number.

5123428 is a deficient number, since it is larger than the sum of its proper divisors (3842578).

5123428 is a wasteful number, since it uses less digits than its factorization.

5123428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280861 (or 1280859 counting only the distinct ones).

The product of its digits is 1920, while the sum is 25.

The square root of 5123428 is about 2263.4990611882. The cubic root of 5123428 is about 172.3932322571.

The spelling of 5123428 in words is "five million, one hundred twenty-three thousand, four hundred twenty-eight".