5123430 has 96 divisors (see below), whose sum is σ = 14938560. Its totient is φ = 1209600.

The previous prime is 5123429. The next prime is 5123441. The reversal of 5123430 is 343215.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33855 + ... + 34005.

It is an arithmetic number, because the mean of its divisors is an integer number (155610).

Almost surely, 2^5123430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5123430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7469280).

5123430 is an abundant number, since it is smaller than the sum of its proper divisors (9815130).

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

5123430 is a wasteful number, since it uses less digits than its factorization.

5123430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 5123430 is about 2263.4995029821. The cubic root of 5123430 is about 172.3932546891.

5123430 divided by its sum of digits (18) gives a triangular number (284635 = T₇₅₄).

Adding to 5123430 its reverse (343215), we get a palindrome (5466645).

The spelling of 5123430 in words is "five million, one hundred twenty-three thousand, four hundred thirty".