29255423 has 4 divisors (see below), whose sum is σ = 29275488. Its totient is φ = 29235360.

The previous prime is 29255411. The next prime is 29255431. The reversal of 29255423 is 32455292.

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 29255423 - 2¹⁴ = 29239039 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 29255423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29285423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7658 + ... + 10823.

It is an arithmetic number, because the mean of its divisors is an integer number (7318872).

Almost surely, 2^29255423 is an apocalyptic number.

29255423 is a deficient number, since it is larger than the sum of its proper divisors (20065).

29255423 is a wasteful number, since it uses less digits than its factorization.

29255423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20064.

The product of its digits is 21600, while the sum is 32.

The square root of 29255423 is about 5408.8282464874. The cubic root of 29255423 is about 308.1310477084.

The spelling of 29255423 in words is "twenty-nine million, two hundred fifty-five thousand, four hundred twenty-three".