23480981 has 8 divisors (see below), whose sum is σ = 25075200. Its totient is φ = 21939120.

The previous prime is 23480971. The next prime is 23480983. The reversal of 23480981 is 18908432.

It is a happy number.

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 23480981 - 2⁶ = 23480917 is a prime.

It is a super-2 number, since 2×23480981² = 1102712937444722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23480983) 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, 12161 + ... + 13958.

It is an arithmetic number, because the mean of its divisors is an integer number (3134400).

Almost surely, 2^23480981 is an apocalyptic number.

It is an amenable number.

23480981 is a deficient number, since it is larger than the sum of its proper divisors (1594219).

23480981 is a wasteful number, since it uses less digits than its factorization.

23480981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26179.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 23480981 is about 4845.7178002851. The cubic root of 23480981 is about 286.3554231166.

The spelling of 23480981 in words is "twenty-three million, four hundred eighty thousand, nine hundred eighty-one".