1012343321 has 8 divisors (see below), whose sum is σ = 1152391104. Its totient is φ = 880298320.

The previous prime is 1012343291. The next prime is 1012343323. The reversal of 1012343321 is 1233432101.

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

It is not a de Polignac number, because 1012343321 - 2¹⁰ = 1012342297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012343293 and 1012343302.

It is not an unprimeable number, because it can be changed into a prime (1012343323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2000426 + ... + 2000931.

It is an arithmetic number, because the mean of its divisors is an integer number (144048888).

Almost surely, 2^1012343321 is an apocalyptic number.

1012343321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1012343321 is a deficient number, since it is larger than the sum of its proper divisors (140047783).

1012343321 is a wasteful number, since it uses less digits than its factorization.

1012343321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4001391.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1012343321 is about 31817.3430851792. The cubic root of 1012343321 is about 1004.0976268537.

Adding to 1012343321 its reverse (1233432101), we get a palindrome (2245775422).

The spelling of 1012343321 in words is "one billion, twelve million, three hundred forty-three thousand, three hundred twenty-one".