530123600 has 30 divisors (see below), whose sum is σ = 1273622910. Its totient is φ = 212049280.

The previous prime is 530123557. The next prime is 530123623. The reversal of 530123600 is 6321035.

It can be written as a sum of positive squares in 3 ways, for example, as 167754304 + 362369296 = 12952^2 + 19036^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 662255 + ... + 663054.

It is an arithmetic number, because the mean of its divisors is an integer number (42454097).

Almost surely, 2^530123600 is an apocalyptic number.

530123600 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

530123600 is an abundant number, since it is smaller than the sum of its proper divisors (743499310).

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

530123600 is a wasteful number, since it uses less digits than its factorization.

530123600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1325327 (or 1325316 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 530123600 is about 23024.4131304144. The cubic root of 530123600 is about 809.3301376425.

Adding to 530123600 its reverse (6321035), we get a palindrome (536444635).

The spelling of 530123600 in words is "five hundred thirty million, one hundred twenty-three thousand, six hundred".