23661103 has 2 divisors, whose sum is σ = 23661104. Its totient is φ = 23661102.

The previous prime is 23661067. The next prime is 23661119. The reversal of 23661103 is 30116632.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23661103 - 2¹³ = 23652911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23661173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11830551 + 11830552.

It is an arithmetic number, because the mean of its divisors is an integer number (11830552).

Almost surely, 2^23661103 is an apocalyptic number.

23661103 is a deficient number, since it is larger than the sum of its proper divisors (1).

23661103 is an equidigital number, since it uses as much as digits as its factorization.

23661103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 23661103 is about 4864.2679819270. The cubic root of 23661103 is about 287.0857671610.

Adding to 23661103 its reverse (30116632), we get a palindrome (53777735).

The spelling of 23661103 in words is "twenty-three million, six hundred sixty-one thousand, one hundred three".