101123323120 has 20 divisors (see below), whose sum is σ = 235111726440. Its totient is φ = 40449329216.

The previous prime is 101123323109. The next prime is 101123323123. The reversal of 101123323120 is 21323321101.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101123323123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 632020690 + ... + 632020849.

It is an arithmetic number, because the mean of its divisors is an integer number (11755586322).

Almost surely, 2^101123323120 is an apocalyptic number.

101123323120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101123323120 is an abundant number, since it is smaller than the sum of its proper divisors (133988403320).

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

101123323120 is a wasteful number, since it uses less digits than its factorization.

101123323120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264041552 (or 1264041546 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 101123323120 its reverse (21323321101), we get a palindrome (122446644221).

The spelling of 101123323120 in words is "one hundred one billion, one hundred twenty-three million, three hundred twenty-three thousand, one hundred twenty".