23611400543 has 4 divisors (see below), whose sum is σ = 23845176888. Its totient is φ = 23377624200.

The previous prime is 23611400507. The next prime is 23611400551. The reversal of 23611400543 is 34500411632.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23611400543 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 (23611400563) 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, 116888021 + ... + 116888222.

It is an arithmetic number, because the mean of its divisors is an integer number (5961294222).

Almost surely, 2^23611400543 is an apocalyptic number.

23611400543 is a deficient number, since it is larger than the sum of its proper divisors (233776345).

23611400543 is a wasteful number, since it uses less digits than its factorization.

23611400543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233776344.

The product of its (nonzero) digits is 8640, while the sum is 29.

The spelling of 23611400543 in words is "twenty-three billion, six hundred eleven million, four hundred thousand, five hundred forty-three".