21323330313043 has 8 divisors (see below), whose sum is σ = 23315786620416. Its totient is φ = 19339869294600.

The previous prime is 21323330313001. The next prime is 21323330313083. The reversal of 21323330313043 is 34031303332312.

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 21323330313043 - 2¹⁷ = 21323330181971 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21323330312996 and 21323330313014.

It is not an unprimeable number, because it can be changed into a prime (21323330313083) 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, 2248817271 + ... + 2248826752.

It is an arithmetic number, because the mean of its divisors is an integer number (2914473327552).

Almost surely, 2^{21323330313043} is an apocalyptic number.

21323330313043 is a deficient number, since it is larger than the sum of its proper divisors (1992456307373).

21323330313043 is a wasteful number, since it uses less digits than its factorization.

21323330313043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4497644465.

The product of its (nonzero) digits is 34992, while the sum is 31.

Adding to 21323330313043 its reverse (34031303332312), we get a palindrome (55354633645355).

The spelling of 21323330313043 in words is "twenty-one trillion, three hundred twenty-three billion, three hundred thirty million, three hundred thirteen thousand, forty-three".