1423312034 has 4 divisors (see below), whose sum is σ = 2134968054. Its totient is φ = 711656016.

The previous prime is 1423312027. The next prime is 1423312057. The reversal of 1423312034 is 4302133241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4302133241 = 7 ⋅614590463.

It can be written as a sum of positive squares in only one way, i.e., 1384212025 + 39100009 = 37205^2 + 6253^2 .

It is a super-2 number, since 2×1423312034² = 4051634292258434312, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 355828007 + ... + 355828010.

Almost surely, 2^1423312034 is an apocalyptic number.

1423312034 is a deficient number, since it is larger than the sum of its proper divisors (711656020).

1423312034 is an equidigital number, since it uses as much as digits as its factorization.

1423312034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711656019.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1423312034 is about 37726.8078957126. The cubic root of 1423312034 is about 1124.8640583722.

Adding to 1423312034 its reverse (4302133241), we get a palindrome (5725445275).

The spelling of 1423312034 in words is "one billion, four hundred twenty-three million, three hundred twelve thousand, thirty-four".