23450411143540 has 48 divisors (see below), whose sum is σ = 52143874675200. Its totient is φ = 8828187617792.

The previous prime is 23450411143529. The next prime is 23450411143553. The reversal of 23450411143540 is 4534111405432.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 23450411143540.

It is a congruent 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, 14490441 + ... + 16027279.

It is an arithmetic number, because the mean of its divisors is an integer number (1086330722400).

Almost surely, 2^{23450411143540} is an apocalyptic number.

23450411143540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23450411143540 is an abundant number, since it is smaller than the sum of its proper divisors (28693463531660).

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

23450411143540 is a wasteful number, since it uses less digits than its factorization.

23450411143540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1581744 (or 1581742 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

Adding to 23450411143540 its reverse (4534111405432), we get a palindrome (27984522548972).

The spelling of 23450411143540 in words is "twenty-three trillion, four hundred fifty billion, four hundred eleven million, one hundred forty-three thousand, five hundred forty".