44143402423 has 4 divisors (see below), whose sum is σ = 44145809488. Its totient is φ = 44140995360.

The previous prime is 44143402409. The next prime is 44143402453. The reversal of 44143402423 is 32420434144.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 44143402423 - 2¹³ = 44143394231 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 (44143402453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1175811 + ... + 1212772.

It is an arithmetic number, because the mean of its divisors is an integer number (11036452372).

Almost surely, 2^44143402423 is an apocalyptic number.

44143402423 is a deficient number, since it is larger than the sum of its proper divisors (2407065).

44143402423 is a wasteful number, since it uses less digits than its factorization.

44143402423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2407064.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 44143402423 its reverse (32420434144), we get a palindrome (76563836567).

The spelling of 44143402423 in words is "forty-four billion, one hundred forty-three million, four hundred two thousand, four hundred twenty-three".