23540653 has 2 divisors, whose sum is σ = 23540654. Its totient is φ = 23540652.

The previous prime is 23540641. The next prime is 23540669. The reversal of 23540653 is 35604532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17280649 + 6260004 = 4157^2 + 2502^2 .

It is a cyclic number.

It is not a de Polignac number, because 23540653 - 2¹³ = 23532461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23540603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11770326 + 11770327.

It is an arithmetic number, because the mean of its divisors is an integer number (11770327).

Almost surely, 2^23540653 is an apocalyptic number.

It is an amenable number.

23540653 is a deficient number, since it is larger than the sum of its proper divisors (1).

23540653 is an equidigital number, since it uses as much as digits as its factorization.

23540653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 23540653 is about 4851.8710823764. The cubic root of 23540653 is about 286.5977887220.

The spelling of 23540653 in words is "twenty-three million, five hundred forty thousand, six hundred fifty-three".