1343423402 has 16 divisors (see below), whose sum is σ = 2134880712. Its totient is φ = 631841280.

The previous prime is 1343423401. The next prime is 1343423407. The reversal of 1343423402 is 2043243431.

It can be written as a sum of positive squares in 4 ways, for example, as 1341683641 + 1739761 = 36629^2 + 1319^2 .

It is not an unprimeable number, because it can be changed into a prime (1343423401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55502 + ... + 75942.

Almost surely, 2^1343423402 is an apocalyptic number.

1343423402 is a deficient number, since it is larger than the sum of its proper divisors (791457310).

1343423402 is a wasteful number, since it uses less digits than its factorization.

1343423402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22393.

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 1343423402 is about 36652.7407160774. The cubic root of 1343423402 is about 1103.4118314941.

Adding to 1343423402 its reverse (2043243431), we get a palindrome (3386666833).

The spelling of 1343423402 in words is "one billion, three hundred forty-three million, four hundred twenty-three thousand, four hundred two".