40223173961963 has 2 divisors, whose sum is σ = 40223173961964. Its totient is φ = 40223173961962.

The previous prime is 40223173961939. The next prime is 40223173961977. The reversal of 40223173961963 is 36916937132204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40223173961963 - 2²⁰ = 40223172913387 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40223173961899 and 40223173961908.

It is not a weakly prime, because it can be changed into another prime (40223173961903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20111586980981 + 20111586980982.

It is an arithmetic number, because the mean of its divisors is an integer number (20111586980982).

Almost surely, 2^{40223173961963} is an apocalyptic number.

40223173961963 is a deficient number, since it is larger than the sum of its proper divisors (1).

40223173961963 is an equidigital number, since it uses as much as digits as its factorization.

40223173961963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8817984, while the sum is 56.

The spelling of 40223173961963 in words is "forty trillion, two hundred twenty-three billion, one hundred seventy-three million, nine hundred sixty-one thousand, nine hundred sixty-three".