40501230023 has 2 divisors, whose sum is σ = 40501230024. Its totient is φ = 40501230022.

The previous prime is 40501230017. The next prime is 40501230059. The reversal of 40501230023 is 32003210504.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40501230023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40501229977 and 40501230004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40501230323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20250615011 + 20250615012.

It is an arithmetic number, because the mean of its divisors is an integer number (20250615012).

Almost surely, 2^40501230023 is an apocalyptic number.

40501230023 is a deficient number, since it is larger than the sum of its proper divisors (1).

40501230023 is an equidigital number, since it uses as much as digits as its factorization.

40501230023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 40501230023 its reverse (32003210504), we get a palindrome (72504440527).

The spelling of 40501230023 in words is "forty billion, five hundred one million, two hundred thirty thousand, twenty-three".