10001421323344 has 40 divisors (see below), whose sum is σ = 21139548151968. Its totient is φ = 4546061815680.

The previous prime is 10001421323317. The next prime is 10001421323371. The reversal of 10001421323344 is 44332312410001.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (10001421323317) and next prime (10001421323371).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34774659 + ... + 35061085.

Almost surely, 2^{10001421323344} is an apocalyptic number.

It is an amenable number.

10001421323344 is an abundant number, since it is smaller than the sum of its proper divisors (11138126828624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10001421323344 is a wasteful number, since it uses less digits than its factorization.

10001421323344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484843 (or 484837 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 10001421323344 its reverse (44332312410001), we get a palindrome (54333733733345).

The spelling of 10001421323344 in words is "ten trillion, one billion, four hundred twenty-one million, three hundred twenty-three thousand, three hundred forty-four".