1021344024023 has 4 divisors (see below), whose sum is σ = 1022186023608. Its totient is φ = 1020502024440.

The previous prime is 1021344024013. The next prime is 1021344024047. The reversal of 1021344024023 is 3204204431201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1021344024023 - 2⁴ = 1021344024007 is a prime.

It is a super-2 number, since 2×1021344024023² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1021344023983 and 1021344024001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021344024013) 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 3 ways as a sum of consecutive naturals, for example, 420997973 + ... + 421000398.

It is an arithmetic number, because the mean of its divisors is an integer number (255546505902).

Almost surely, 2^{1021344024023} is an apocalyptic number.

1021344024023 is a deficient number, since it is larger than the sum of its proper divisors (841999585).

1021344024023 is an equidigital number, since it uses as much as digits as its factorization.

1021344024023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841999584.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 1021344024023 its reverse (3204204431201), we get a palindrome (4225548455224).

The spelling of 1021344024023 in words is "one trillion, twenty-one billion, three hundred forty-four million, twenty-four thousand, twenty-three".