23533556043 has 32 divisors (see below), whose sum is σ = 32282770432. Its totient is φ = 15240960000.

The previous prime is 23533555949. The next prime is 23533556063. The reversal of 23533556043 is 34065533532.

It is a happy number.

It is not a de Polignac number, because 23533556043 - 2⁹ = 23533555531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23533555992 and 23533556010.

It is not an unprimeable number, because it can be changed into a prime (23533556063) 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 31 ways as a sum of consecutive naturals, for example, 31335918 + ... + 31336668.

It is an arithmetic number, because the mean of its divisors is an integer number (1008836576).

Almost surely, 2^23533556043 is an apocalyptic number.

23533556043 is a deficient number, since it is larger than the sum of its proper divisors (8749214389).

23533556043 is a wasteful number, since it uses less digits than its factorization.

23533556043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1795.

The product of its (nonzero) digits is 486000, while the sum is 39.

The spelling of 23533556043 in words is "twenty-three billion, five hundred thirty-three million, five hundred fifty-six thousand, forty-three".