1343423465 has 4 divisors (see below), whose sum is σ = 1612108164. Its totient is φ = 1074738768.

The previous prime is 1343423441. The next prime is 1343423467. The reversal of 1343423465 is 5643243431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 747038224 + 596385241 = 27332^2 + 24421^2 .

It is a cyclic number.

It is not a de Polignac number, because 1343423465 - 2⁶ = 1343423401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1343423467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134342342 + ... + 134342351.

It is an arithmetic number, because the mean of its divisors is an integer number (403027041).

Almost surely, 2^1343423465 is an apocalyptic number.

It is an amenable number.

1343423465 is a deficient number, since it is larger than the sum of its proper divisors (268684699).

1343423465 is an equidigital number, since it uses as much as digits as its factorization.

1343423465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268684698.

The product of its digits is 103680, while the sum is 35.

The square root of 1343423465 is about 36652.7415754947. The cubic root of 1343423465 is about 1103.4118487423.

Adding to 1343423465 its reverse (5643243431), we get a palindrome (6986666896).

The spelling of 1343423465 in words is "one billion, three hundred forty-three million, four hundred twenty-three thousand, four hundred sixty-five".