23365481 has 2 divisors, whose sum is σ = 23365482. Its totient is φ = 23365480.

The previous prime is 23365477. The next prime is 23365499. The reversal of 23365481 is 18456332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17682025 + 5683456 = 4205^2 + 2384^2 .

It is a cyclic number.

It is not a de Polignac number, because 23365481 - 2² = 23365477 is a prime.

It is a super-2 number, since 2×23365481² = 1091891404722722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23365451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11682740 + 11682741.

It is an arithmetic number, because the mean of its divisors is an integer number (11682741).

Almost surely, 2^23365481 is an apocalyptic number.

It is an amenable number.

23365481 is a deficient number, since it is larger than the sum of its proper divisors (1).

23365481 is an equidigital number, since it uses as much as digits as its factorization.

23365481 is an evil number, because the sum of its binary digits is even.

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

The square root of 23365481 is about 4833.7853696663. The cubic root of 23365481 is about 285.8851357085.

The spelling of 23365481 in words is "twenty-three million, three hundred sixty-five thousand, four hundred eighty-one".