5121423 has 6 divisors (see below), whose sum is σ = 7397624. Its totient is φ = 3414276.

The previous prime is 5121421. The next prime is 5121439. The reversal of 5121423 is 3241215.

5121423 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5121423 - 2¹ = 5121421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5121396 and 5121405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5121421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 284515 + ... + 284532.

Almost surely, 2^5121423 is an apocalyptic number.

5121423 is a deficient number, since it is larger than the sum of its proper divisors (2276201).

5121423 is a wasteful number, since it uses less digits than its factorization.

5121423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569053 (or 569050 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 5121423 is about 2263.0561194986. The cubic root of 5121423 is about 172.3707412264.

Adding to 5121423 its reverse (3241215), we get a palindrome (8362638).

The spelling of 5121423 in words is "five million, one hundred twenty-one thousand, four hundred twenty-three".