123200551355 has 32 divisors (see below), whose sum is σ = 177879836160. Its totient is φ = 80022159360.

The previous prime is 123200551349. The next prime is 123200551361. The reversal of 123200551355 is 553155002321.

It is an interprime number because it is at equal distance from previous prime (123200551349) and next prime (123200551361).

It is not a de Polignac number, because 123200551355 - 2¹⁴ = 123200534971 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7823840 + ... + 7839570.

It is an arithmetic number, because the mean of its divisors is an integer number (5558744880).

Almost surely, 2^123200551355 is an apocalyptic number.

123200551355 is a deficient number, since it is larger than the sum of its proper divisors (54679284805).

123200551355 is a wasteful number, since it uses less digits than its factorization.

123200551355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27539.

The product of its (nonzero) digits is 22500, while the sum is 32.

Adding to 123200551355 its reverse (553155002321), we get a palindrome (676355553676).

The spelling of 123200551355 in words is "one hundred twenty-three billion, two hundred million, five hundred fifty-one thousand, three hundred fifty-five".