23240053 has 4 divisors (see below), whose sum is σ = 23250528. Its totient is φ = 23229580.

The previous prime is 23240039. The next prime is 23240101. The reversal of 23240053 is 35004232.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23240053 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23240053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23240453) 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, 451 + ... + 6832.

It is an arithmetic number, because the mean of its divisors is an integer number (5812632).

Almost surely, 2^23240053 is an apocalyptic number.

It is an amenable number.

23240053 is a deficient number, since it is larger than the sum of its proper divisors (10475).

23240053 is an equidigital number, since it uses as much as digits as its factorization.

23240053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10474.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 23240053 is about 4820.7938143007. The cubic root of 23240053 is about 285.3726652564.

Adding to 23240053 its reverse (35004232), we get a palindrome (58244285).

The spelling of 23240053 in words is "twenty-three million, two hundred forty thousand, fifty-three".