202431123555102 has 96 divisors (see below), whose sum is σ = 475432158067776. Its totient is φ = 61879348915200.

The previous prime is 202431123555091. The next prime is 202431123555131. The reversal of 202431123555102 is 201555321134202.

202431123555102 is a `hidden beast` number, since 2 + 0 + 2 + 4 + 311 + 235 + 5 + 5 + 102 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39202902 + ... + 44065062.

It is an arithmetic number, because the mean of its divisors is an integer number (4952418313206).

Almost surely, 2^{202431123555102} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202431123555102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237716079033888).

202431123555102 is an abundant number, since it is smaller than the sum of its proper divisors (273001034512674).

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

202431123555102 is a wasteful number, since it uses less digits than its factorization.

202431123555102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4863346 (or 4863343 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

Adding to 202431123555102 its reverse (201555321134202), we get a palindrome (403986444689304).

The spelling of 202431123555102 in words is "two hundred two trillion, four hundred thirty-one billion, one hundred twenty-three million, five hundred fifty-five thousand, one hundred two".