20240432240023 has 16 divisors (see below), whose sum is σ = 20998110470400. Its totient is φ = 19489411837440.

The previous prime is 20240432240003. The next prime is 20240432240029. The reversal of 20240432240023 is 32004223404202.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20240432240023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20240432239973 and 20240432240000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20240432240029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10106793 + ... + 11942701.

It is an arithmetic number, because the mean of its divisors is an integer number (1312381904400).

Almost surely, 2^{20240432240023} is an apocalyptic number.

20240432240023 is a deficient number, since it is larger than the sum of its proper divisors (757678230377).

20240432240023 is a wasteful number, since it uses less digits than its factorization.

20240432240023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1837722.

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 20240432240023 its reverse (32004223404202), we get a palindrome (52244655644225).

The spelling of 20240432240023 in words is "twenty trillion, two hundred forty billion, four hundred thirty-two million, two hundred forty thousand, twenty-three".