255723100 has 18 divisors (see below), whose sum is σ = 554919344. Its totient is φ = 102289200.

The previous prime is 255723089. The next prime is 255723101. The reversal of 255723100 is 1327552.

It is a super-2 number, since 2×255723100² = 130788607747220000, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255723101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1278516 + ... + 1278715.

Almost surely, 2^255723100 is an apocalyptic number.

255723100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255723100 is an abundant number, since it is smaller than the sum of its proper divisors (299196244).

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

255723100 is a wasteful number, since it uses less digits than its factorization.

255723100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2557245 (or 2557238 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 255723100 is about 15991.3445338408. The cubic root of 255723100 is about 634.7314052011.

The spelling of 255723100 in words is "two hundred fifty-five million, seven hundred twenty-three thousand, one hundred".