1064431123 has 8 divisors (see below), whose sum is σ = 1217454080. Its totient is φ = 911648520.

The previous prime is 1064431103. The next prime is 1064431127. The reversal of 1064431123 is 3211344601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1064431123 is a prime.

It is a super-2 number, since 2×1064431123² = 2266027231222082258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1064431127) 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 7 ways as a sum of consecutive naturals, for example, 50493 + ... + 68398.

It is an arithmetic number, because the mean of its divisors is an integer number (152181760).

Almost surely, 2^1064431123 is an apocalyptic number.

1064431123 is a deficient number, since it is larger than the sum of its proper divisors (153022957).

1064431123 is a wasteful number, since it uses less digits than its factorization.

1064431123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120177.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 1064431123 is about 32625.6206531002. The cubic root of 1064431123 is about 1021.0316113619.

Adding to 1064431123 its reverse (3211344601), we get a palindrome (4275775724).

The spelling of 1064431123 in words is "one billion, sixty-four million, four hundred thirty-one thousand, one hundred twenty-three".