23405101 has 2 divisors, whose sum is σ = 23405102. Its totient is φ = 23405100.

The previous prime is 23405077. The next prime is 23405111. The reversal of 23405101 is 10150432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17859076 + 5546025 = 4226^2 + 2355^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23405101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23405111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11702550 + 11702551.

It is an arithmetic number, because the mean of its divisors is an integer number (11702551).

Almost surely, 2^23405101 is an apocalyptic number.

It is an amenable number.

23405101 is a deficient number, since it is larger than the sum of its proper divisors (1).

23405101 is an equidigital number, since it uses as much as digits as its factorization.

23405101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 23405101 is about 4837.8818712325. The cubic root of 23405101 is about 286.0466328185.

Adding to 23405101 its reverse (10150432), we get a palindrome (33555533).

The spelling of 23405101 in words is "twenty-three million, four hundred five thousand, one hundred one".