23153653 has 2 divisors, whose sum is σ = 23153654. Its totient is φ = 23153652.

The previous prime is 23153591. The next prime is 23153681. The reversal of 23153653 is 35635132.

It is an a-pointer prime, because the next prime (23153681) can be obtained adding 23153653 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18037009 + 5116644 = 4247^2 + 2262^2 .

It is a cyclic number.

It is not a de Polignac number, because 23153653 - 2²¹ = 21056501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23153693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11576826 + 11576827.

It is an arithmetic number, because the mean of its divisors is an integer number (11576827).

Almost surely, 2^23153653 is an apocalyptic number.

It is an amenable number.

23153653 is a deficient number, since it is larger than the sum of its proper divisors (1).

23153653 is an equidigital number, since it uses as much as digits as its factorization.

23153653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8100, while the sum is 28.

The square root of 23153653 is about 4811.8242902251. The cubic root of 23153653 is about 285.0185809164.

Adding to 23153653 its reverse (35635132), we get a palindrome (58788785).

The spelling of 23153653 in words is "twenty-three million, one hundred fifty-three thousand, six hundred fifty-three".