20313421323 has 8 divisors (see below), whose sum is σ = 29167989648. Its totient is φ = 12500566944.

The previous prime is 20313421301. The next prime is 20313421351. The reversal of 20313421323 is 32312431302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20313421323 - 2¹⁴ = 20313404939 is a prime.

It is a super-2 number, since 2×20313421323² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20313421293 and 20313421302.

It is not an unprimeable number, because it can be changed into a prime (20313421223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260428440 + ... + 260428517.

It is an arithmetic number, because the mean of its divisors is an integer number (3645998706).

Almost surely, 2^20313421323 is an apocalyptic number.

20313421323 is a deficient number, since it is larger than the sum of its proper divisors (8854568325).

20313421323 is a wasteful number, since it uses less digits than its factorization.

20313421323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520856973.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 20313421323 its reverse (32312431302), we get a palindrome (52625852625).

The spelling of 20313421323 in words is "twenty billion, three hundred thirteen million, four hundred twenty-one thousand, three hundred twenty-three".