23429705 has 8 divisors (see below), whose sum is σ = 30278472. Its totient is φ = 17301888.

The previous prime is 23429687. The next prime is 23429729. The reversal of 23429705 is 50792432.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 657721 + 22771984 = 811^2 + 4772^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23429705 - 2¹⁸ = 23167561 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180164 + ... + 180293.

It is an arithmetic number, because the mean of its divisors is an integer number (3784809).

Almost surely, 2^23429705 is an apocalyptic number.

It is an amenable number.

23429705 is a deficient number, since it is larger than the sum of its proper divisors (6848767).

23429705 is a wasteful number, since it uses less digits than its factorization.

23429705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360475.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 23429705 is about 4840.4240516715. The cubic root of 23429705 is about 286.1468307292.

The spelling of 23429705 in words is "twenty-three million, four hundred twenty-nine thousand, seven hundred five".