20526546042623 has 2 divisors, whose sum is σ = 20526546042624. Its totient is φ = 20526546042622.

The previous prime is 20526546042599. The next prime is 20526546042643. The reversal of 20526546042623 is 32624064562502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20526546042623 - 2⁶ = 20526546042559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20526546042643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10263273021311 + 10263273021312.

It is an arithmetic number, because the mean of its divisors is an integer number (10263273021312).

Almost surely, 2^{20526546042623} is an apocalyptic number.

20526546042623 is a deficient number, since it is larger than the sum of its proper divisors (1).

20526546042623 is an equidigital number, since it uses as much as digits as its factorization.

20526546042623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4147200, while the sum is 47.

The spelling of 20526546042623 in words is "twenty trillion, five hundred twenty-six billion, five hundred forty-six million, forty-two thousand, six hundred twenty-three".