1423716818507 has 4 divisors (see below), whose sum is σ = 1423849775040. Its totient is φ = 1423583861976.

The previous prime is 1423716818471. The next prime is 1423716818539. The reversal of 1423716818507 is 7058186173241.

It is a happy number.

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 1423716818507 - 2²² = 1423712624203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1423716418507) 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, 66462203 + ... + 66483620.

It is an arithmetic number, because the mean of its divisors is an integer number (355962443760).

Almost surely, 2^{1423716818507} is an apocalyptic number.

1423716818507 is a deficient number, since it is larger than the sum of its proper divisors (132956533).

1423716818507 is a wasteful number, since it uses less digits than its factorization.

1423716818507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132956532.

The product of its (nonzero) digits is 2257920, while the sum is 53.

The spelling of 1423716818507 in words is "one trillion, four hundred twenty-three billion, seven hundred sixteen million, eight hundred eighteen thousand, five hundred seven".