5113123400 has 288 divisors, whose sum is σ = 15477134400. Its totient is φ = 1524364800.

The previous prime is 5113123391. The next prime is 5113123403. The reversal of 5113123400 is 43213115.

It is a super-2 number, since 2×5113123400² = 52288061807255120000, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5113123403) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 47786147 + ... + 47786253.

It is an arithmetic number, because the mean of its divisors is an integer number (53740050).

Almost surely, 2^5113123400 is an apocalyptic number.

5113123400 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 5113123400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7738567200).

5113123400 is an abundant number, since it is smaller than the sum of its proper divisors (10364011000).

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

5113123400 is a wasteful number, since it uses less digits than its factorization.

5113123400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 5113123400 is about 71506.1074314635. The cubic root of 5113123400 is about 1722.7757820655.

Adding to 5113123400 its reverse (43213115), we get a palindrome (5156336515).

The spelling of 5113123400 in words is "five billion, one hundred thirteen million, one hundred twenty-three thousand, four hundred".