23235620445543 has 16 divisors (see below), whose sum is σ = 35785340580096. Its totient is φ = 13253829843840.

The previous prime is 23235620445539. The next prime is 23235620445547. The reversal of 23235620445543 is 34554402653232.

It is an interprime number because it is at equal distance from previous prime (23235620445539) and next prime (23235620445547).

It is not a de Polignac number, because 23235620445543 - 2² = 23235620445539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23235620445492 and 23235620445501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23235620445547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20709108571 + ... + 20709109692.

It is an arithmetic number, because the mean of its divisors is an integer number (2236583786256).

Almost surely, 2^{23235620445543} is an apocalyptic number.

23235620445543 is a deficient number, since it is larger than the sum of its proper divisors (12549720134553).

23235620445543 is a wasteful number, since it uses less digits than its factorization.

23235620445543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41418218294.

The product of its (nonzero) digits is 10368000, while the sum is 48.

The spelling of 23235620445543 in words is "twenty-three trillion, two hundred thirty-five billion, six hundred twenty million, four hundred forty-five thousand, five hundred forty-three".