1423453715 has 4 divisors (see below), whose sum is σ = 1708144464. Its totient is φ = 1138762968.

The previous prime is 1423453711. The next prime is 1423453763. The reversal of 1423453715 is 5173543241.

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 1423453715 - 2² = 1423453711 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1423453711) 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, 142345367 + ... + 142345376.

It is an arithmetic number, because the mean of its divisors is an integer number (427036116).

Almost surely, 2^1423453715 is an apocalyptic number.

1423453715 is a deficient number, since it is larger than the sum of its proper divisors (284690749).

1423453715 is an equidigital number, since it uses as much as digits as its factorization.

1423453715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284690748.

The product of its digits is 50400, while the sum is 35.

The square root of 1423453715 is about 37728.6855721214. The cubic root of 1423453715 is about 1124.9013813141.

Adding to 1423453715 its reverse (5173543241), we get a palindrome (6596996956).

The spelling of 1423453715 in words is "one billion, four hundred twenty-three million, four hundred fifty-three thousand, seven hundred fifteen".