49623 has 16 divisors (see below), whose sum is σ = 80640. Its totient is φ = 26496.

The previous prime is 49613. The next prime is 49627. The reversal of 49623 is 32694.

It is not a de Polignac number, because 49623 - 2⁶ = 49559 is a prime.

It is an Ulam number.

49623 is a lucky number.

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 49593 and 49602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 288 + ... + 426.

It is an arithmetic number, because the mean of its divisors is an integer number (5040).

2⁴⁹⁶²³ is an apocalyptic number.

49623 is a deficient number, since it is larger than the sum of its proper divisors (31017).

49623 is a wasteful number, since it uses less digits than its factorization.

49623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166.

The product of its digits is 1296, while the sum is 24.

The square root of 49623 is about 222.7622050528. The cubic root of 49623 is about 36.7474893005.

The spelling of 49623 in words is "forty-nine thousand, six hundred twenty-three".