5123423500 has 96 divisors (see below), whose sum is σ = 12101124672. Its totient is φ = 1883750400.

The previous prime is 5123423477. The next prime is 5123423521. The reversal of 5123423500 is 53243215.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1668967 + ... + 1672033.

It is an arithmetic number, because the mean of its divisors is an integer number (126053382).

Almost surely, 2^5123423500 is an apocalyptic number.

5123423500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5123423500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6050562336).

5123423500 is an abundant number, since it is smaller than the sum of its proper divisors (6977701172).

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

5123423500 is a wasteful number, since it uses less digits than its factorization.

5123423500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3356 (or 3344 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 5123423500 is about 71578.0937158849. The cubic root of 5123423500 is about 1723.9318178507.

Adding to 5123423500 its reverse (53243215), we get a palindrome (5176666715).

The spelling of 5123423500 in words is "five billion, one hundred twenty-three million, four hundred twenty-three thousand, five hundred".