1342433021 has 8 divisors (see below), whose sum is σ = 1398691584. Its totient is φ = 1286984160.

The previous prime is 1342433003. The next prime is 1342433023. The reversal of 1342433021 is 1203342431.

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 1342433021 - 2⁶ = 1342432957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1342433023) 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, 199040 + ... + 205673.

It is an arithmetic number, because the mean of its divisors is an integer number (174836448).

Almost surely, 2^1342433021 is an apocalyptic number.

It is an amenable number.

1342433021 is a deficient number, since it is larger than the sum of its proper divisors (56258563).

1342433021 is a wasteful number, since it uses less digits than its factorization.

1342433021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404851.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1342433021 is about 36639.2278985243. The cubic root of 1342433021 is about 1103.1406172314.

Adding to 1342433021 its reverse (1203342431), we get a palindrome (2545775452).

The spelling of 1342433021 in words is "one billion, three hundred forty-two million, four hundred thirty-three thousand, twenty-one".