101023920479 has 2 divisors, whose sum is σ = 101023920480. Its totient is φ = 101023920478.

The previous prime is 101023920421. The next prime is 101023920497. The reversal of 101023920479 is 974029320101.

Together with next prime (101023920497) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101023920479 - 2⁸ = 101023920223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101023920779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50511960239 + 50511960240.

It is an arithmetic number, because the mean of its divisors is an integer number (50511960240).

Almost surely, 2^101023920479 is an apocalyptic number.

101023920479 is a deficient number, since it is larger than the sum of its proper divisors (1).

101023920479 is an equidigital number, since it uses as much as digits as its factorization.

101023920479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 38.

The spelling of 101023920479 in words is "one hundred one billion, twenty-three million, nine hundred twenty thousand, four hundred seventy-nine".