23136453 has 6 divisors (see below), whose sum is σ = 33419334. Its totient is φ = 15424296.

The previous prime is 23136431. The next prime is 23136457. The reversal of 23136453 is 35463132.

It is a happy number.

23136453 is a `hidden beast` number, since 2 + 3 + 13 + 645 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 22724289 + 412164 = 4767^2 + 642^2 .

It is not a de Polignac number, because 23136453 - 2⁶ = 23136389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23136457) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1285350 + ... + 1285367.

It is an arithmetic number, because the mean of its divisors is an integer number (5569889).

Almost surely, 2^23136453 is an apocalyptic number.

It is an amenable number.

23136453 is a deficient number, since it is larger than the sum of its proper divisors (10282881).

23136453 is a wasteful number, since it uses less digits than its factorization.

23136453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2570723 (or 2570720 counting only the distinct ones).

The product of its digits is 6480, while the sum is 27.

The square root of 23136453 is about 4810.0366942467. The cubic root of 23136453 is about 284.9479868146.

Adding to 23136453 its reverse (35463132), we get a palindrome (58599585).

The spelling of 23136453 in words is "twenty-three million, one hundred thirty-six thousand, four hundred fifty-three".