1012001201423 has 24 divisors (see below), whose sum is σ = 1056615658560. Its totient is φ = 968912642880.

The previous prime is 1012001201411. The next prime is 1012001201443. The reversal of 1012001201423 is 3241021002101.

It is not a de Polignac number, because 1012001201423 - 2¹² = 1012001197327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012001201443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 120630113 + ... + 120638501.

It is an arithmetic number, because the mean of its divisors is an integer number (44025652440).

Almost surely, 2^{1012001201423} is an apocalyptic number.

1012001201423 is a deficient number, since it is larger than the sum of its proper divisors (44614457137).

1012001201423 is an equidigital number, since it uses as much as digits as its factorization.

1012001201423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9759 (or 9716 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1012001201423 its reverse (3241021002101), we get a palindrome (4253022203524).

The spelling of 1012001201423 in words is "one trillion, twelve billion, one million, two hundred one thousand, four hundred twenty-three".