49031123 has 4 divisors (see below), whose sum is σ = 49060320. Its totient is φ = 49001928.

The previous prime is 49031117. The next prime is 49031131. The reversal of 49031123 is 32113094.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 49031123 - 2¹⁴ = 49014739 is a prime.

It is a super-2 number, since 2×49031123² = 4808102045282258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49031173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11915 + ... + 15492.

It is an arithmetic number, because the mean of its divisors is an integer number (12265080).

Almost surely, 2^49031123 is an apocalyptic number.

49031123 is a deficient number, since it is larger than the sum of its proper divisors (29197).

49031123 is a wasteful number, since it uses less digits than its factorization.

49031123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29196.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 49031123 is about 7002.2227185373. Note that the first 3 decimals coincide. The cubic root of 49031123 is about 366.0080298237.

It can be divided in two parts, 490 and 31123, that added together give a palindrome (31613).

The spelling of 49031123 in words is "forty-nine million, thirty-one thousand, one hundred twenty-three".