1064423430 has 160 divisors (see below), whose sum is σ = 3289372416. Its totient is φ = 241932096.

The previous prime is 1064423413. The next prime is 1064423443. The reversal of 1064423430 is 343244601.

1064423430 is a `hidden beast` number, since 10 + 644 + 2 + 3 + 4 + 3 + 0 = 666.

1064423430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1064423430² = 2265994476665929800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1064423394 and 1064423403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1286677 + ... + 1287503.

Almost surely, 2^1064423430 is an apocalyptic number.

1064423430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1064423430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1644686208).

1064423430 is an abundant number, since it is smaller than the sum of its proper divisors (2224948986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1064423430 is a wasteful number, since it uses less digits than its factorization.

1064423430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080 (or 1071 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 1064423430 is about 32625.5027547469. The cubic root of 1064423430 is about 1021.0291515769.

The spelling of 1064423430 in words is "one billion, sixty-four million, four hundred twenty-three thousand, four hundred thirty".