13423400052420 has 48 divisors (see below), whose sum is σ = 37588757488128. Its totient is φ = 3579265029120.

The previous prime is 13423400052409. The next prime is 13423400052463. The reversal of 13423400052420 is 2425000432431.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 8932116 + ... + 10326155.

It is an arithmetic number, because the mean of its divisors is an integer number (783099114336).

Almost surely, 2^{13423400052420} is an apocalyptic number.

13423400052420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13423400052420 is an abundant number, since it is smaller than the sum of its proper divisors (24165357435708).

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

13423400052420 is a wasteful number, since it uses less digits than its factorization.

13423400052420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19269900 (or 19269898 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 13423400052420 its reverse (2425000432431), we get a palindrome (15848400484851).

The spelling of 13423400052420 in words is "thirteen trillion, four hundred twenty-three billion, four hundred million, fifty-two thousand, four hundred twenty".