49845123 has 12 divisors (see below), whose sum is σ = 72302880. Its totient is φ = 33089616.

The previous prime is 49845101. The next prime is 49845143. The reversal of 49845123 is 32154894.

49845123 is a `hidden beast` number, since 498 + 45 + 123 = 666.

49845123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 49845123 - 2¹⁰ = 49844099 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (49845143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9436 + ... + 13737.

It is an arithmetic number, because the mean of its divisors is an integer number (6025240).

Almost surely, 2^49845123 is an apocalyptic number.

49845123 is a deficient number, since it is larger than the sum of its proper divisors (22457757).

49845123 is a wasteful number, since it uses less digits than its factorization.

49845123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23418 (or 23415 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 49845123 is about 7060.1078603659. The cubic root of 49845123 is about 368.0223752739.

The spelling of 49845123 in words is "forty-nine million, eight hundred forty-five thousand, one hundred twenty-three".