29051423 has 4 divisors (see below), whose sum is σ = 29543880. Its totient is φ = 28558968.

The previous prime is 29051387. The next prime is 29051431. The reversal of 29051423 is 32415092.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29051423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29051392 and 29051401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29057423) 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, 246140 + ... + 246257.

It is an arithmetic number, because the mean of its divisors is an integer number (7385970).

Almost surely, 2^29051423 is an apocalyptic number.

29051423 is a deficient number, since it is larger than the sum of its proper divisors (492457).

29051423 is an equidigital number, since it uses as much as digits as its factorization.

29051423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492456.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 29051423 is about 5389.9371981499. The cubic root of 29051423 is about 307.4131704518.

The spelling of 29051423 in words is "twenty-nine million, fifty-one thousand, four hundred twenty-three".