43981626223 has 2 divisors, whose sum is σ = 43981626224. Its totient is φ = 43981626222.

The previous prime is 43981626217. The next prime is 43981626251. The reversal of 43981626223 is 32262618934.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43981626223 - 2⁹ = 43981625711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43981626253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21990813111 + 21990813112.

It is an arithmetic number, because the mean of its divisors is an integer number (21990813112).

Almost surely, 2^43981626223 is an apocalyptic number.

43981626223 is a deficient number, since it is larger than the sum of its proper divisors (1).

43981626223 is an equidigital number, since it uses as much as digits as its factorization.

43981626223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 746496, while the sum is 46.

The spelling of 43981626223 in words is "forty-three billion, nine hundred eighty-one million, six hundred twenty-six thousand, two hundred twenty-three".