1430231223 has 4 divisors (see below), whose sum is σ = 1906974968. Its totient is φ = 953487480.

The previous prime is 1430231207. The next prime is 1430231237. The reversal of 1430231223 is 3221320341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3221320341 = 3 ⋅1073773447.

It is not a de Polignac number, because 1430231223 - 2⁴ = 1430231207 is a prime.

It is a super-2 number, since 2×1430231223² = 4091122702488151458, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1430231223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1430231203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238371868 + ... + 238371873.

It is an arithmetic number, because the mean of its divisors is an integer number (476743742).

Almost surely, 2^1430231223 is an apocalyptic number.

1430231223 is a deficient number, since it is larger than the sum of its proper divisors (476743745).

1430231223 is an equidigital number, since it uses as much as digits as its factorization.

1430231223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476743744.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1430231223 is about 37818.3979433291. The cubic root of 1430231223 is about 1126.6838909500.

Adding to 1430231223 its reverse (3221320341), we get a palindrome (4651551564).

The spelling of 1430231223 in words is "one billion, four hundred thirty million, two hundred thirty-one thousand, two hundred twenty-three".