23356481 has 2 divisors, whose sum is σ = 23356482. Its totient is φ = 23356480.

The previous prime is 23356471. The next prime is 23356549. The reversal of 23356481 is 18465332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18879025 + 4477456 = 4345^2 + 2116^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23356481 is a prime.

It is a super-2 number, since 2×23356481² = 1091050409406722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23356441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11678240 + 11678241.

It is an arithmetic number, because the mean of its divisors is an integer number (11678241).

Almost surely, 2^23356481 is an apocalyptic number.

It is an amenable number.

23356481 is a deficient number, since it is larger than the sum of its proper divisors (1).

23356481 is an equidigital number, since it uses as much as digits as its factorization.

23356481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 32.

The square root of 23356481 is about 4832.8543325865. The cubic root of 23356481 is about 285.8484249064.

The spelling of 23356481 in words is "twenty-three million, three hundred fifty-six thousand, four hundred eighty-one".