255623130 has 192 divisors, whose sum is σ = 792529920. Its totient is φ = 55959552.

The previous prime is 255623119. The next prime is 255623141. The reversal of 255623130 is 31326552.

255623130 is a `hidden beast` number, since 2 + 5 + 5 + 623 + 1 + 30 = 666.

It is an interprime number because it is at equal distance from previous prime (255623119) and next prime (255623141).

It is a junction number, because it is equal to n+sod(n) for n = 255623094 and 255623103.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2635242 + ... + 2635338.

It is an arithmetic number, because the mean of its divisors is an integer number (4127760).

Almost surely, 2^255623130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255623130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (396264960).

255623130 is an abundant number, since it is smaller than the sum of its proper divisors (536906790).

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

255623130 is a wasteful number, since it uses less digits than its factorization.

255623130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253 (or 250 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 255623130 is about 15988.2184748645. The cubic root of 255623130 is about 634.6486824317.

Adding to 255623130 its reverse (31326552), we get a palindrome (286949682).

The spelling of 255623130 in words is "two hundred fifty-five million, six hundred twenty-three thousand, one hundred thirty".