23450453 has 4 divisors (see below), whose sum is σ = 25254348. Its totient is φ = 21646560.

The previous prime is 23450431. The next prime is 23450491. The reversal of 23450453 is 35405432.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14730244 + 8720209 = 3838^2 + 2953^2 .

It is not a de Polignac number, because 23450453 - 2¹⁴ = 23434069 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 (23650453) 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, 901928 + ... + 901953.

It is an arithmetic number, because the mean of its divisors is an integer number (6313587).

Almost surely, 2^23450453 is an apocalyptic number.

It is an amenable number.

23450453 is a deficient number, since it is larger than the sum of its proper divisors (1803895).

23450453 is a wasteful number, since it uses less digits than its factorization.

23450453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1803894.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 23450453 is about 4842.5667780631. The cubic root of 23450453 is about 286.2312708709.

Adding to 23450453 its reverse (35405432), we get a palindrome (58855885).

The spelling of 23450453 in words is "twenty-three million, four hundred fifty thousand, four hundred fifty-three".