1012343456 has 12 divisors (see below), whose sum is σ = 1993051242. Its totient is φ = 506171712.

The previous prime is 1012343441. The next prime is 1012343461. The reversal of 1012343456 is 6543432101.

1012343456 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It can be written as a sum of positive squares in only one way, i.e., 680375056 + 331968400 = 26084^2 + 18220^2 .

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15817835 + ... + 15817898.

Almost surely, 2^1012343456 is an apocalyptic number.

1012343456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1012343456 is a deficient number, since it is larger than the sum of its proper divisors (980707786).

1012343456 is an equidigital number, since it uses as much as digits as its factorization.

1012343456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31635743 (or 31635735 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 1012343456 is about 31817.3452066636. The cubic root of 1012343456 is about 1004.0976714872.

Adding to 1012343456 its reverse (6543432101), we get a palindrome (7555775557).

The spelling of 1012343456 in words is "one billion, twelve million, three hundred forty-three thousand, four hundred fifty-six".