29923 has 4 divisors (see below), whose sum is σ = 31248. Its totient is φ = 28600.

The previous prime is 29921. The next prime is 29927. The reversal of 29923 is 32992.

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 29923 - 2¹ = 29921 is a prime.

It is a fibodiv number, since the Fibonacci-like sequence with seeds 299 and 23 contains 29923 itself.

It is a d-powerful number, because it can be written as 2¹¹ + 9⁴ + 9⁴ + 2¹³ + 3⁸ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29921) 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, 628 + ... + 673.

It is an arithmetic number, because the mean of its divisors is an integer number (7812).

2²⁹⁹²³ is an apocalyptic number.

29923 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

29923 is a deficient number, since it is larger than the sum of its proper divisors (1325).

29923 is a wasteful number, since it uses less digits than its factorization.

29923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324.

The product of its digits is 972, while the sum is 25.

The square root of 29923 is about 172.9826580903. The cubic root of 29923 is about 31.0457181825.

The spelling of 29923 in words is "twenty-nine thousand, nine hundred twenty-three".