1071940404523 has 8 divisors (see below), whose sum is σ = 1079727246000. Its totient is φ = 1064181726048.

The previous prime is 1071940404517. The next prime is 1071940404527. The reversal of 1071940404523 is 3254040491701.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1071940404523 - 2²¹ = 1071938307371 is a prime.

It is a super-2 number, since 2×1071940404523² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1071940404527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6964348 + ... + 7116601.

It is an arithmetic number, because the mean of its divisors is an integer number (134965905750).

Almost surely, 2^{1071940404523} is an apocalyptic number.

1071940404523 is a deficient number, since it is larger than the sum of its proper divisors (7786841477).

1071940404523 is a wasteful number, since it uses less digits than its factorization.

1071940404523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14081501.

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 1071940404523 in words is "one trillion, seventy-one billion, nine hundred forty million, four hundred four thousand, five hundred twenty-three".