23503453143020 has 48 divisors (see below), whose sum is σ = 49935147948000. Its totient is φ = 9291404474880.

The previous prime is 23503453143019. The next prime is 23503453143031. The reversal of 23503453143020 is 2034135430532.

It is a super-2 number, since 2×23503453143020² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 727331 + ... + 6894629.

It is an arithmetic number, because the mean of its divisors is an integer number (1040315582250).

Almost surely, 2^{23503453143020} is an apocalyptic number.

23503453143020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23503453143020 is an abundant number, since it is smaller than the sum of its proper divisors (26431694804980).

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

23503453143020 is a wasteful number, since it uses less digits than its factorization.

23503453143020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6169538 (or 6169536 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 35.

Adding to 23503453143020 its reverse (2034135430532), we get a palindrome (25537588573552).

The spelling of 23503453143020 in words is "twenty-three trillion, five hundred three billion, four hundred fifty-three million, one hundred forty-three thousand, twenty".