23543255403 has 6 divisors (see below), whose sum is σ = 34006924484. Its totient is φ = 15695503596.

The previous prime is 23543255401. The next prime is 23543255429. The reversal of 23543255403 is 30455234532.

23543255403 is a `hidden beast` number, since 23 + 54 + 32 + 554 + 0 + 3 = 666.

It is not a de Polignac number, because 23543255403 - 2¹ = 23543255401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23543255401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1307958625 + ... + 1307958642.

Almost surely, 2^23543255403 is an apocalyptic number.

23543255403 is a deficient number, since it is larger than the sum of its proper divisors (10463669081).

23543255403 is a wasteful number, since it uses less digits than its factorization.

23543255403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2615917273 (or 2615917270 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 36.

Adding to 23543255403 its reverse (30455234532), we get a palindrome (53998489935).

The spelling of 23543255403 in words is "twenty-three billion, five hundred forty-three million, two hundred fifty-five thousand, four hundred three".