1064431223 has 4 divisors (see below), whose sum is σ = 1074970248. Its totient is φ = 1053892200.

The previous prime is 1064431201. The next prime is 1064431229. The reversal of 1064431223 is 3221344601.

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 1064431223 - 2¹⁴ = 1064414839 is a prime.

It is a super-2 number, since 2×1064431223² = 2266027656994551458, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1064431192 and 1064431201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1064431229) 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, 5269361 + ... + 5269562.

It is an arithmetic number, because the mean of its divisors is an integer number (268742562).

Almost surely, 2^1064431223 is an apocalyptic number.

1064431223 is a deficient number, since it is larger than the sum of its proper divisors (10539025).

1064431223 is a wasteful number, since it uses less digits than its factorization.

1064431223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10539024.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 1064431223 is about 32625.6221856381. The cubic root of 1064431223 is about 1021.0316433362.

Adding to 1064431223 its reverse (3221344601), we get a palindrome (4285775824).

The spelling of 1064431223 in words is "one billion, sixty-four million, four hundred thirty-one thousand, two hundred twenty-three".