23463921 has 16 divisors (see below), whose sum is σ = 33797120. Its totient is φ = 14394240.

The previous prime is 23463919. The next prime is 23463941. The reversal of 23463921 is 12936432.

It is not a de Polignac number, because 23463921 - 2¹ = 23463919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23463901) 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 15 ways as a sum of consecutive naturals, for example, 15216 + ... + 16686.

It is an arithmetic number, because the mean of its divisors is an integer number (2112320).

Almost surely, 2^23463921 is an apocalyptic number.

It is an amenable number.

23463921 is a deficient number, since it is larger than the sum of its proper divisors (10333199).

23463921 is a wasteful number, since it uses less digits than its factorization.

23463921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1896.

The product of its digits is 7776, while the sum is 30.

The square root of 23463921 is about 4843.9571633118. The cubic root of 23463921 is about 286.2860562376.

The spelling of 23463921 in words is "twenty-three million, four hundred sixty-three thousand, nine hundred twenty-one".