1343200421 has 8 divisors (see below), whose sum is σ = 1414274400. Its totient is φ = 1272164400.

The previous prime is 1343200399. The next prime is 1343200429. The reversal of 1343200421 is 1240023431.

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

It is a cyclic number.

It is not a de Polignac number, because 1343200421 - 2²² = 1339006117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1343200393 and 1343200402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1343200429) 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, 89990 + ... + 103848.

It is an arithmetic number, because the mean of its divisors is an integer number (176784300).

Almost surely, 2^1343200421 is an apocalyptic number.

It is an amenable number.

1343200421 is a deficient number, since it is larger than the sum of its proper divisors (71073979).

1343200421 is a wasteful number, since it uses less digits than its factorization.

1343200421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18979.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1343200421 is about 36649.6987845739. The cubic root of 1343200421 is about 1103.3507801316.

Adding to 1343200421 its reverse (1240023431), we get a palindrome (2583223852).

The spelling of 1343200421 in words is "one billion, three hundred forty-three million, two hundred thousand, four hundred twenty-one".