23103252321543 has 10 divisors (see below), whose sum is σ = 34512265813784. Its totient is φ = 15402168214308.

The previous prime is 23103252321493. The next prime is 23103252321571. The reversal of 23103252321543 is 34512325230132.

23103252321543 is a `hidden beast` number, since 2 + 3 + 1 + 0 + 32 + 52 + 32 + 1 + 543 = 666.

It is not a de Polignac number, because 23103252321543 - 2²⁴ = 23103235544327 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23103252321498 and 23103252321507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23103252321943) 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 9 ways as a sum of consecutive naturals, for example, 142612668571 + ... + 142612668732.

Almost surely, 2^{23103252321543} is an apocalyptic number.

23103252321543 is a deficient number, since it is larger than the sum of its proper divisors (11409013492241).

23103252321543 is an equidigital number, since it uses as much as digits as its factorization.

23103252321543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285225337315 (or 285225337306 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

Adding to 23103252321543 its reverse (34512325230132), we get a palindrome (57615577551675).

The spelling of 23103252321543 in words is "twenty-three trillion, one hundred three billion, two hundred fifty-two million, three hundred twenty-one thousand, five hundred forty-three".