1201002023443 has 8 divisors (see below), whose sum is σ = 1215524184336. Its totient is φ = 1186531452000.

The previous prime is 1201002023407. The next prime is 1201002023471. The reversal of 1201002023443 is 3443202001021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1201002023443 is a prime.

It is a super-3 number, since 3×1201002023443³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201002023743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12850521 + ... + 12943642.

It is an arithmetic number, because the mean of its divisors is an integer number (151940523042).

Almost surely, 2^{1201002023443} is an apocalyptic number.

1201002023443 is a deficient number, since it is larger than the sum of its proper divisors (14522160893).

1201002023443 is a wasteful number, since it uses less digits than its factorization.

1201002023443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25794725.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 1201002023443 its reverse (3443202001021), we get a palindrome (4644204024464).

The spelling of 1201002023443 in words is "one trillion, two hundred one billion, two million, twenty-three thousand, four hundred forty-three".