1423137727 has 4 divisors (see below), whose sum is σ = 1552513896. Its totient is φ = 1293761560.

The previous prime is 1423137721. The next prime is 1423137733. The reversal of 1423137727 is 7277313241.

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

It is an interprime number because it is at equal distance from previous prime (1423137721) and next prime (1423137733).

It is a cyclic number.

It is not a de Polignac number, because 1423137727 - 2²⁷ = 1288919999 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 (1423137721) 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, 64688068 + ... + 64688089.

It is an arithmetic number, because the mean of its divisors is an integer number (388128474).

Almost surely, 2^1423137727 is an apocalyptic number.

1423137727 is a deficient number, since it is larger than the sum of its proper divisors (129376169).

1423137727 is a wasteful number, since it uses less digits than its factorization.

1423137727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129376168.

The product of its digits is 49392, while the sum is 37.

The square root of 1423137727 is about 37724.4977037468. The cubic root of 1423137727 is about 1124.8181373844.

The spelling of 1423137727 in words is "one billion, four hundred twenty-three million, one hundred thirty-seven thousand, seven hundred twenty-seven".