23299421 has 8 divisors (see below), whose sum is σ = 23927904. Its totient is φ = 22674960.

The previous prime is 23299411. The next prime is 23299427. The reversal of 23299421 is 12499232.

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 23299421 - 2¹⁸ = 23037277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23299427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13415 + ... + 15051.

It is an arithmetic number, because the mean of its divisors is an integer number (2990988).

Almost surely, 2^23299421 is an apocalyptic number.

It is an amenable number.

23299421 is a deficient number, since it is larger than the sum of its proper divisors (628483).

23299421 is a wasteful number, since it uses less digits than its factorization.

23299421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2011.

The product of its digits is 7776, while the sum is 32.

The square root of 23299421 is about 4826.9473790378. The cubic root of 23299421 is about 285.6154587131.

The spelling of 23299421 in words is "twenty-three million, two hundred ninety-nine thousand, four hundred twenty-one".