2400543523 has 8 divisors (see below), whose sum is σ = 2745250560. Its totient is φ = 2056279560.

The previous prime is 2400543503. The next prime is 2400543529. The reversal of 2400543523 is 3253450042.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2400543523 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2400543491 and 2400543500.

It is not an unprimeable number, because it can be changed into a prime (2400543529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99073 + ... + 120898.

It is an arithmetic number, because the mean of its divisors is an integer number (343156320).

Almost surely, 2^2400543523 is an apocalyptic number.

2400543523 is a deficient number, since it is larger than the sum of its proper divisors (344707037).

2400543523 is a wasteful number, since it uses less digits than its factorization.

2400543523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221537.

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 2400543523 is about 48995.3418500167. The cubic root of 2400543523 is about 1338.9669625926.

Adding to 2400543523 its reverse (3253450042), we get a palindrome (5653993565).

It can be divided in two parts, 24005 and 43523, that added together give a triangular number (67528 = T₃₆₇).

The spelling of 2400543523 in words is "two billion, four hundred million, five hundred forty-three thousand, five hundred twenty-three".