40023357047 has 2 divisors, whose sum is σ = 40023357048. Its totient is φ = 40023357046.

The previous prime is 40023357029. The next prime is 40023357097. The reversal of 40023357047 is 74075332004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40023357047 - 2³² = 35728389751 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40023356998 and 40023357016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40023357007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20011678523 + 20011678524.

It is an arithmetic number, because the mean of its divisors is an integer number (20011678524).

Almost surely, 2^40023357047 is an apocalyptic number.

40023357047 is a deficient number, since it is larger than the sum of its proper divisors (1).

40023357047 is an equidigital number, since it uses as much as digits as its factorization.

40023357047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70560, while the sum is 35.

The spelling of 40023357047 in words is "forty billion, twenty-three million, three hundred fifty-seven thousand, forty-seven".