23540435 has 4 divisors (see below), whose sum is σ = 28248528. Its totient is φ = 18832344.

The previous prime is 23540371. The next prime is 23540441. The reversal of 23540435 is 53404532.

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

It is a cyclic number.

It is not a de Polignac number, because 23540435 - 2⁶ = 23540371 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2354039 + ... + 2354048.

It is an arithmetic number, because the mean of its divisors is an integer number (7062132).

Almost surely, 2^23540435 is an apocalyptic number.

23540435 is a deficient number, since it is larger than the sum of its proper divisors (4708093).

23540435 is an equidigital number, since it uses as much as digits as its factorization.

23540435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4708092.

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

The square root of 23540435 is about 4851.8486167645. The cubic root of 23540435 is about 286.5969040324.

Adding to 23540435 its reverse (53404532), we get a palindrome (76944967).

The spelling of 23540435 in words is "twenty-three million, five hundred forty thousand, four hundred thirty-five".