23493081 has 8 divisors (see below), whose sum is σ = 31791904. Its totient is φ = 15428160.

The previous prime is 23493077. The next prime is 23493121. The reversal of 23493081 is 18039432.

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

It is not a de Polignac number, because 23493081 - 2² = 23493077 is a prime.

It is a super-2 number, since 2×23493081² = 1103849709745122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23493011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58240 + ... + 58641.

It is an arithmetic number, because the mean of its divisors is an integer number (3973988).

Almost surely, 2^23493081 is an apocalyptic number.

It is an amenable number.

23493081 is a deficient number, since it is larger than the sum of its proper divisors (8298823).

23493081 is a wasteful number, since it uses less digits than its factorization.

23493081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116951.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 23493081 is about 4846.9661645198. The cubic root of 23493081 is about 286.4046020049.

The spelling of 23493081 in words is "twenty-three million, four hundred ninety-three thousand, eighty-one".