49101310123 has 2 divisors, whose sum is σ = 49101310124. Its totient is φ = 49101310122.

The previous prime is 49101310061. The next prime is 49101310187. The reversal of 49101310123 is 32101310194.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49101310123 - 2¹⁷ = 49101179051 is a prime.

It is not a weakly prime, because it can be changed into another prime (49101310723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24550655061 + 24550655062.

It is an arithmetic number, because the mean of its divisors is an integer number (24550655062).

Almost surely, 2^49101310123 is an apocalyptic number.

49101310123 is a deficient number, since it is larger than the sum of its proper divisors (1).

49101310123 is an equidigital number, since it uses as much as digits as its factorization.

49101310123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 25.

The spelling of 49101310123 in words is "forty-nine billion, one hundred one million, three hundred ten thousand, one hundred twenty-three".