1423200005 has 16 divisors (see below), whose sum is σ = 1772102640. Its totient is φ = 1096353792.

The previous prime is 1423200001. The next prime is 1423200007. The reversal of 1423200005 is 5000023241.

It can be written as a sum of positive squares in 8 ways, for example, as 179720836 + 1243479169 = 13406^2 + 35263^2 .

It is a cyclic number.

It is not a de Polignac number, because 1423200005 - 2² = 1423200001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423200001) 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, 21710 + ... + 57599.

It is an arithmetic number, because the mean of its divisors is an integer number (110756415).

Almost surely, 2^1423200005 is an apocalyptic number.

It is an amenable number.

1423200005 is a deficient number, since it is larger than the sum of its proper divisors (348902635).

1423200005 is an equidigital number, since it uses as much as digits as its factorization.

1423200005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79448.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 1423200005 is about 37725.3231265154. The cubic root of 1423200005 is about 1124.8345448856.

Adding to 1423200005 its reverse (5000023241), we get a palindrome (6423223246).

The spelling of 1423200005 in words is "one billion, four hundred twenty-three million, two hundred thousand, five".