29423953 has 4 divisors (see below), whose sum is σ = 31687348. Its totient is φ = 27160560.

The previous prime is 29423887. The next prime is 29423959. The reversal of 29423953 is 35932492.

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

It can be written as a sum of positive squares in 2 ways, for example, as 11505664 + 17918289 = 3392^2 + 4233^2 .

It is a cyclic number.

It is not a de Polignac number, because 29423953 - 2¹⁷ = 29292881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29423959) 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, 1131678 + ... + 1131703.

It is an arithmetic number, because the mean of its divisors is an integer number (7921837).

Almost surely, 2^29423953 is an apocalyptic number.

It is an amenable number.

29423953 is a deficient number, since it is larger than the sum of its proper divisors (2263395).

29423953 is a wasteful number, since it uses less digits than its factorization.

29423953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2263394.

The product of its digits is 58320, while the sum is 37.

The square root of 29423953 is about 5424.3850342689. The cubic root of 29423953 is about 308.7215926701.

The spelling of 29423953 in words is "twenty-nine million, four hundred twenty-three thousand, nine hundred fifty-three".