23387453 has 4 divisors (see below), whose sum is σ = 23455200. Its totient is φ = 23319708.

The previous prime is 23387449. The next prime is 23387501. The reversal of 23387453 is 35478332.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23387453 - 2² = 23387449 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23387443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33353 + ... + 34046.

It is an arithmetic number, because the mean of its divisors is an integer number (5863800).

Almost surely, 2^23387453 is an apocalyptic number.

It is an amenable number.

23387453 is a deficient number, since it is larger than the sum of its proper divisors (67747).

23387453 is an equidigital number, since it uses as much as digits as its factorization.

23387453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67746.

The product of its digits is 60480, while the sum is 35.

The square root of 23387453 is about 4836.0575885736. The cubic root of 23387453 is about 285.9747194307.

The spelling of 23387453 in words is "twenty-three million, three hundred eighty-seven thousand, four hundred fifty-three".