23505452511400 has 24 divisors (see below), whose sum is σ = 54650177089470. Its totient is φ = 9402181004480.

The previous prime is 23505452511361. The next prime is 23505452511413. The reversal of 23505452511400 is 411525450532.

It can be written as a sum of positive squares in 3 ways, for example, as 21532736754244 + 1972715757156 = 4640338^2 + 1404534^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23505452511400.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58763631079 + ... + 58763631478.

Almost surely, 2^{23505452511400} is an apocalyptic number.

23505452511400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23505452511400 is an abundant number, since it is smaller than the sum of its proper divisors (31144724578070).

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

23505452511400 is a wasteful number, since it uses less digits than its factorization.

23505452511400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117527262573 (or 117527262564 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 37.

Adding to 23505452511400 its reverse (411525450532), we get a palindrome (23916977961932).

The spelling of 23505452511400 in words is "twenty-three trillion, five hundred five billion, four hundred fifty-two million, five hundred eleven thousand, four hundred".