40523135 has 8 divisors (see below), whose sum is σ = 48669360. Its totient is φ = 32390784.

The previous prime is 40523101. The next prime is 40523137. The reversal of 40523135 is 53132504.

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

It is a cyclic number.

It is not a de Polignac number, because 40523135 - 2⁸ = 40522879 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40523135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40523137) 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, 4724 + ... + 10166.

It is an arithmetic number, because the mean of its divisors is an integer number (6083670).

Almost surely, 2^40523135 is an apocalyptic number.

40523135 is a deficient number, since it is larger than the sum of its proper divisors (8146225).

40523135 is a wasteful number, since it uses less digits than its factorization.

40523135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6937.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 40523135 is about 6365.7784284406. The cubic root of 40523135 is about 343.4796503535.

Adding to 40523135 its reverse (53132504), we get a palindrome (93655639).

The spelling of 40523135 in words is "forty million, five hundred twenty-three thousand, one hundred thirty-five".