123955027824 has 80 divisors (see below), whose sum is σ = 322558640640. Its totient is φ = 41016595200.

The previous prime is 123955027817. The next prime is 123955027829. The reversal of 123955027824 is 428720559321.

It is a super-2 number, since 2×123955027824² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123955027829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12381829 + ... + 12391835.

It is an arithmetic number, because the mean of its divisors is an integer number (4031983008).

Almost surely, 2^123955027824 is an apocalyptic number.

It is an amenable number.

123955027824 is an abundant number, since it is smaller than the sum of its proper divisors (198603612816).

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

123955027824 is a wasteful number, since it uses less digits than its factorization.

123955027824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11878 (or 11872 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 48.

The spelling of 123955027824 in words is "one hundred twenty-three billion, nine hundred fifty-five million, twenty-seven thousand, eight hundred twenty-four".