123055200255 has 16 divisors (see below), whose sum is σ = 212033576160. Its totient is φ = 60581021568.

The previous prime is 123055200239. The next prime is 123055200263. The reversal of 123055200255 is 552002550321.

It is not a de Polignac number, because 123055200255 - 2⁴ = 123055200239 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 315525960 + ... + 315526349.

It is an arithmetic number, because the mean of its divisors is an integer number (13252098510).

Almost surely, 2^123055200255 is an apocalyptic number.

123055200255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

123055200255 is a deficient number, since it is larger than the sum of its proper divisors (88978375905).

123055200255 is a wasteful number, since it uses less digits than its factorization.

123055200255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631052330.

The product of its (nonzero) digits is 15000, while the sum is 30.

Adding to 123055200255 its reverse (552002550321), we get a palindrome (675057750576).

The spelling of 123055200255 in words is "one hundred twenty-three billion, fifty-five million, two hundred thousand, two hundred fifty-five".