40347662046523 has 4 divisors (see below), whose sum is σ = 43451328357808. Its totient is φ = 37243995735240.

The previous prime is 40347662046481. The next prime is 40347662046557. The reversal of 40347662046523 is 32564026674304.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40347662046523 - 2⁹ = 40347662046011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40347662040523) 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 in 3 ways as a sum of consecutive naturals, for example, 1551833155623 + ... + 1551833155648.

It is an arithmetic number, because the mean of its divisors is an integer number (10862832089452).

Almost surely, 2^{40347662046523} is an apocalyptic number.

40347662046523 is a deficient number, since it is larger than the sum of its proper divisors (3103666311285).

40347662046523 is a wasteful number, since it uses less digits than its factorization.

40347662046523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3103666311284.

The product of its (nonzero) digits is 17418240, while the sum is 52.

The spelling of 40347662046523 in words is "forty trillion, three hundred forty-seven billion, six hundred sixty-two million, forty-six thousand, five hundred twenty-three".