40160523 has 8 divisors (see below), whose sum is σ = 57666448. Its totient is φ = 24714144.

The previous prime is 40160489. The next prime is 40160557. The reversal of 40160523 is 32506104.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40160489) and next prime (40160557).

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

It is not a de Polignac number, because 40160523 - 2⁶ = 40160459 is a prime.

It is a super-2 number, since 2×40160523² = 3225735215267058, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40160523.

It is not an unprimeable number, because it can be changed into a prime (40160423) 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, 514840 + ... + 514917.

It is an arithmetic number, because the mean of its divisors is an integer number (7208306).

Almost surely, 2^40160523 is an apocalyptic number.

40160523 is a deficient number, since it is larger than the sum of its proper divisors (17505925).

40160523 is a wasteful number, since it uses less digits than its factorization.

40160523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029773.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 40160523 is about 6337.2330713017. The cubic root of 40160523 is about 342.4520628382.

Adding to 40160523 its reverse (32506104), we get a palindrome (72666627).

The spelling of 40160523 in words is "forty million, one hundred sixty thousand, five hundred twenty-three".