23646401 has 2 divisors, whose sum is σ = 23646402. Its totient is φ = 23646400.

The previous prime is 23646361. The next prime is 23646407. The reversal of 23646401 is 10464632.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21381376 + 2265025 = 4624^2 + 1505^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23646401 is a prime.

It is not a weakly prime, because it can be changed into another prime (23646407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11823200 + 11823201.

It is an arithmetic number, because the mean of its divisors is an integer number (11823201).

Almost surely, 2^23646401 is an apocalyptic number.

It is an amenable number.

23646401 is a deficient number, since it is larger than the sum of its proper divisors (1).

23646401 is an equidigital number, since it uses as much as digits as its factorization.

23646401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 23646401 is about 4862.7565227965. The cubic root of 23646401 is about 287.0262938918.

The spelling of 23646401 in words is "twenty-three million, six hundred forty-six thousand, four hundred one".