29204423 has 4 divisors (see below), whose sum is σ = 29916768. Its totient is φ = 28492080.

The previous prime is 29204407. The next prime is 29204477. The reversal of 29204423 is 32440292.

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 29204423 - 2⁴ = 29204407 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29204392 and 29204401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29206423) 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, 356111 + ... + 356192.

It is an arithmetic number, because the mean of its divisors is an integer number (7479192).

Almost surely, 2^29204423 is an apocalyptic number.

29204423 is a deficient number, since it is larger than the sum of its proper divisors (712345).

29204423 is an equidigital number, since it uses as much as digits as its factorization.

29204423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712344.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 29204423 is about 5404.1116753820. Note that the first 3 decimals coincide. The cubic root of 29204423 is about 307.9518920477.

The spelling of 29204423 in words is "twenty-nine million, two hundred four thousand, four hundred twenty-three".