156443001423 has 16 divisors (see below), whose sum is σ = 215330942976. Its totient is φ = 100925557920.

The previous prime is 156443001413. The next prime is 156443001461. The reversal of 156443001423 is 324100344651.

It is a happy number.

156443001423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 156443001423 - 2⁵ = 156443001391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156443001413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2419290 + ... + 2483112.

It is an arithmetic number, because the mean of its divisors is an integer number (13458183936).

Almost surely, 2^156443001423 is an apocalyptic number.

156443001423 is a deficient number, since it is larger than the sum of its proper divisors (58887941553).

156443001423 is a wasteful number, since it uses less digits than its factorization.

156443001423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90214.

The product of its (nonzero) digits is 34560, while the sum is 33.

The spelling of 156443001423 in words is "one hundred fifty-six billion, four hundred forty-three million, one thousand, four hundred twenty-three".