24240420400423 has 4 divisors (see below), whose sum is σ = 24240578473000. Its totient is φ = 24240262327848.

The previous prime is 24240420400381. The next prime is 24240420400439. The reversal of 24240420400423 is 32400402404242.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 24240420400423 - 2¹³ = 24240420392231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24240420400453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78806040 + ... + 79113037.

It is an arithmetic number, because the mean of its divisors is an integer number (6060144618250).

Almost surely, 2^{24240420400423} is an apocalyptic number.

24240420400423 is a deficient number, since it is larger than the sum of its proper divisors (158072577).

24240420400423 is a wasteful number, since it uses less digits than its factorization.

24240420400423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158072576.

The product of its (nonzero) digits is 49152, while the sum is 31.

Adding to 24240420400423 its reverse (32400402404242), we get a palindrome (56640822804665).

The spelling of 24240420400423 in words is "twenty-four trillion, two hundred forty billion, four hundred twenty million, four hundred thousand, four hundred twenty-three".