23545143020 has 48 divisors (see below), whose sum is σ = 56525851200. Its totient is φ = 8070119424.

The previous prime is 23545142981. The next prime is 23545143053. The reversal of 23545143020 is 2034154532.

It is a happy number.

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, 459656 + ... + 508304.

It is an arithmetic number, because the mean of its divisors is an integer number (1177621900).

Almost surely, 2^23545143020 is an apocalyptic number.

23545143020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23545143020 is an abundant number, since it is smaller than the sum of its proper divisors (32980708180).

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

23545143020 is a wasteful number, since it uses less digits than its factorization.

23545143020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52122 (or 52120 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 23545143020 its reverse (2034154532), we get a palindrome (25579297552).

The spelling of 23545143020 in words is "twenty-three billion, five hundred forty-five million, one hundred forty-three thousand, twenty".