1423715 has 4 divisors (see below), whose sum is σ = 1708464. Its totient is φ = 1138968.

The previous prime is 1423711. The next prime is 1423717. The reversal of 1423715 is 5173241.

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 1423715 - 2² = 1423711 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1423711) 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, 142367 + ... + 142376.

It is an arithmetic number, because the mean of its divisors is an integer number (427116).

2^1423715 is an apocalyptic number.

1423715 is a deficient number, since it is larger than the sum of its proper divisors (284749).

1423715 is an equidigital number, since it uses as much as digits as its factorization.

1423715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284748.

The product of its digits is 840, while the sum is 23.

The square root of 1423715 is about 1193.1952899672. The cubic root of 1423715 is about 112.4970204972.

Adding to 1423715 its reverse (5173241), we get a palindrome (6596956).

The spelling of 1423715 in words is "one million, four hundred twenty-three thousand, seven hundred fifteen".