1344340021423 has 8 divisors (see below), whose sum is σ = 1536397269120. Its totient is φ = 1152284942040.

The previous prime is 1344340021421. The next prime is 1344340021457. The reversal of 1344340021423 is 3241200434431.

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 1344340021423 - 2¹ = 1344340021421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344340021421) 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, 1130568 + ... + 1991698.

It is an arithmetic number, because the mean of its divisors is an integer number (192049658640).

Almost surely, 2^{1344340021423} is an apocalyptic number.

1344340021423 is a deficient number, since it is larger than the sum of its proper divisors (192057247697).

1344340021423 is an equidigital number, since it uses as much as digits as its factorization.

1344340021423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1084157.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 1344340021423 its reverse (3241200434431), we get a palindrome (4585540455854).

The spelling of 1344340021423 in words is "one trillion, three hundred forty-four billion, three hundred forty million, twenty-one thousand, four hundred twenty-three".