1342023421 has 8 divisors (see below), whose sum is σ = 1387394624. Its totient is φ = 1297296000.

The previous prime is 1342023407. The next prime is 1342023427. The reversal of 1342023421 is 1243202431.

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 1342023421 - 2²⁵ = 1308468989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1342023392 and 1342023401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1342023427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156705 + ... + 165046.

It is an arithmetic number, because the mean of its divisors is an integer number (173424328).

Almost surely, 2^1342023421 is an apocalyptic number.

It is an amenable number.

1342023421 is a deficient number, since it is larger than the sum of its proper divisors (45371203).

1342023421 is an equidigital number, since it uses as much as digits as its factorization.

1342023421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321891.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1342023421 is about 36633.6378346459. The cubic root of 1342023421 is about 1103.0284099299.

Adding to 1342023421 its reverse (1243202431), we get a palindrome (2585225852).

The spelling of 1342023421 in words is "one billion, three hundred forty-two million, twenty-three thousand, four hundred twenty-one".