23012555443 has 2 divisors, whose sum is σ = 23012555444. Its totient is φ = 23012555442.

The previous prime is 23012555437. The next prime is 23012555473. The reversal of 23012555443 is 34455521032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23012555443 - 2¹⁷ = 23012424371 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23012555399 and 23012555408.

It is not a weakly prime, because it can be changed into another prime (23012555473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11506277721 + 11506277722.

It is an arithmetic number, because the mean of its divisors is an integer number (11506277722).

Almost surely, 2^23012555443 is an apocalyptic number.

23012555443 is a deficient number, since it is larger than the sum of its proper divisors (1).

23012555443 is an equidigital number, since it uses as much as digits as its factorization.

23012555443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72000, while the sum is 34.

The spelling of 23012555443 in words is "twenty-three billion, twelve million, five hundred fifty-five thousand, four hundred forty-three".