40723028953 has 2 divisors, whose sum is σ = 40723028954. Its totient is φ = 40723028952.

The previous prime is 40723028923. The next prime is 40723028993. The reversal of 40723028953 is 35982032704.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26467385344 + 14255643609 = 162688^2 + 119397^2 .

It is a cyclic number.

It is not a de Polignac number, because 40723028953 - 2⁵ = 40723028921 is a prime.

It is not a weakly prime, because it can be changed into another prime (40723028923) 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 as a sum of consecutive naturals, namely, 20361514476 + 20361514477.

It is an arithmetic number, because the mean of its divisors is an integer number (20361514477).

Almost surely, 2^40723028953 is an apocalyptic number.

It is an amenable number.

40723028953 is a deficient number, since it is larger than the sum of its proper divisors (1).

40723028953 is an equidigital number, since it uses as much as digits as its factorization.

40723028953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 40723028953 in words is "forty billion, seven hundred twenty-three million, twenty-eight thousand, nine hundred fifty-three".