23344429 has 4 divisors (see below), whose sum is σ = 23484384. Its totient is φ = 23204476.

The previous prime is 23344423. The next prime is 23344439. The reversal of 23344429 is 92444332.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23344429 - 2⁵ = 23344397 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 23344429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23344423) 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, 69727 + ... + 70060.

It is an arithmetic number, because the mean of its divisors is an integer number (5871096).

Almost surely, 2^23344429 is an apocalyptic number.

It is an amenable number.

23344429 is a deficient number, since it is larger than the sum of its proper divisors (139955).

23344429 is a wasteful number, since it uses less digits than its factorization.

23344429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139954.

The product of its digits is 20736, while the sum is 31.

The square root of 23344429 is about 4831.6072895052. The cubic root of 23344429 is about 285.7992502906.

The spelling of 23344429 in words is "twenty-three million, three hundred forty-four thousand, four hundred twenty-nine".