101823843550 has 144 divisors (see below), whose sum is σ = 224205582960. Its totient is φ = 34105344000.

The previous prime is 101823843547. The next prime is 101823843577. The reversal of 101823843550 is 55348328101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 59580096 + ... + 59581804.

It is an arithmetic number, because the mean of its divisors is an integer number (1556983215).

Almost surely, 2^101823843550 is an apocalyptic number.

101823843550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101823843550 is an abundant number, since it is smaller than the sum of its proper divisors (122381739410).

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

101823843550 is a wasteful number, since it uses less digits than its factorization.

101823843550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2399 (or 2381 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 40.

The spelling of 101823843550 in words is "one hundred one billion, eight hundred twenty-three million, eight hundred forty-three thousand, five hundred fifty".