5123450000 has 120 divisors (see below), whose sum is σ = 12701437056. Its totient is φ = 2000880000.

The previous prime is 5123449993. The next prime is 5123450009. The reversal of 5123450000 is 543215.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (5123450009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2148809 + ... + 2151191.

Almost surely, 2^5123450000 is an apocalyptic number.

5123450000 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 5123450000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6350718528).

5123450000 is an abundant number, since it is smaller than the sum of its proper divisors (7577987056).

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

5123450000 is an equidigital number, since it uses as much as digits as its factorization.

5123450000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2459 (or 2433 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 5123450000 is about 71578.2788281473. The cubic root of 5123450000 is about 1723.9347900895.

Adding to 5123450000 its reverse (543215), we get a palindrome (5123993215).

The spelling of 5123450000 in words is "five billion, one hundred twenty-three million, four hundred fifty thousand".