42664387423 has 16 divisors (see below), whose sum is σ = 49412116480. Its totient is φ = 36080531136.

The previous prime is 42664387393. The next prime is 42664387427. The reversal of 42664387423 is 32478346624.

It is not a de Polignac number, because 42664387423 - 2¹³ = 42664379231 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 (42664387427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 759811 + ... + 814027.

It is an arithmetic number, because the mean of its divisors is an integer number (3088257280).

Almost surely, 2^42664387423 is an apocalyptic number.

42664387423 is a deficient number, since it is larger than the sum of its proper divisors (6747729057).

42664387423 is a wasteful number, since it uses less digits than its factorization.

42664387423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55726.

The product of its digits is 4644864, while the sum is 49.

The spelling of 42664387423 in words is "forty-two billion, six hundred sixty-four million, three hundred eighty-seven thousand, four hundred twenty-three".