23189653 has 2 divisors, whose sum is σ = 23189654. Its totient is φ = 23189652.

The previous prime is 23189623. The next prime is 23189657. The reversal of 23189653 is 35698132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22061809 + 1127844 = 4697^2 + 1062^2 .

It is a cyclic number.

It is not a de Polignac number, because 23189653 - 2¹³ = 23181461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23189657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11594826 + 11594827.

It is an arithmetic number, because the mean of its divisors is an integer number (11594827).

Almost surely, 2^23189653 is an apocalyptic number.

It is an amenable number.

23189653 is a deficient number, since it is larger than the sum of its proper divisors (1).

23189653 is an equidigital number, since it uses as much as digits as its factorization.

23189653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 37.

The square root of 23189653 is about 4815.5636222565. The cubic root of 23189653 is about 285.1662229269.

The spelling of 23189653 in words is "twenty-three million, one hundred eighty-nine thousand, six hundred fifty-three".