23420421334 has 8 divisors (see below), whose sum is σ = 35333699760. Its totient is φ = 11642521416.

The previous prime is 23420421317. The next prime is 23420421361. The reversal of 23420421334 is 43312402432.

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

It is a super-2 number, since 2×23420421334² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33844194 + ... + 33844885.

It is an arithmetic number, because the mean of its divisors is an integer number (4416712470).

Almost surely, 2^23420421334 is an apocalyptic number.

23420421334 is a deficient number, since it is larger than the sum of its proper divisors (11913278426).

23420421334 is a wasteful number, since it uses less digits than its factorization.

23420421334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67689254.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 23420421334 its reverse (43312402432), we get a palindrome (66732823766).

The spelling of 23420421334 in words is "twenty-three billion, four hundred twenty million, four hundred twenty-one thousand, three hundred thirty-four".