49719123 has 36 divisors (see below), whose sum is σ = 78326920. Its totient is φ = 31167576.

The previous prime is 49719121. The next prime is 49719139. The reversal of 49719123 is 32191794.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is not a de Polignac number, because 49719123 - 2¹ = 49719121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49719121) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 842668 + ... + 842726.

Almost surely, 2^49719123 is an apocalyptic number.

49719123 is a deficient number, since it is larger than the sum of its proper divisors (28607797).

49719123 is an equidigital number, since it uses as much as digits as its factorization.

49719123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173 (or 85 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 49719123 is about 7051.1788376129. The cubic root of 49719123 is about 367.7120142732.

The spelling of 49719123 in words is "forty-nine million, seven hundred nineteen thousand, one hundred twenty-three".