1201423243024 has 40 divisors (see below), whose sum is σ = 2465028310680. Its totient is φ = 565296764928.

The previous prime is 1201423243001. The next prime is 1201423243037. The reversal of 1201423243024 is 4203423241021.

It can be written as a sum of positive squares in 4 ways, for example, as 105256122624 + 1096167120400 = 324432^2 + 1046980^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1201423242983 and 1201423243001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1668322 + ... + 2277310.

It is an arithmetic number, because the mean of its divisors is an integer number (61625707767).

Almost surely, 2^{1201423243024} is an apocalyptic number.

It is an amenable number.

1201423243024 is an abundant number, since it is smaller than the sum of its proper divisors (1263605067656).

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

1201423243024 is a wasteful number, since it uses less digits than its factorization.

1201423243024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616267 (or 616261 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 1201423243024 its reverse (4203423241021), we get a palindrome (5404846484045).

The spelling of 1201423243024 in words is "one trillion, two hundred one billion, four hundred twenty-three million, two hundred forty-three thousand, twenty-four".