40587423 has 4 divisors (see below), whose sum is σ = 54116568. Its totient is φ = 27058280.

The previous prime is 40587413. The next prime is 40587431. The reversal of 40587423 is 32478504.

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 40587423 - 2⁸ = 40587167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40587403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6764568 + ... + 6764573.

It is an arithmetic number, because the mean of its divisors is an integer number (13529142).

Almost surely, 2^40587423 is an apocalyptic number.

40587423 is a deficient number, since it is larger than the sum of its proper divisors (13529145).

40587423 is a wasteful number, since it uses less digits than its factorization.

40587423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13529144.

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 40587423 is about 6370.8259276172. The cubic root of 40587423 is about 343.6611923533.

The spelling of 40587423 in words is "forty million, five hundred eighty-seven thousand, four hundred twenty-three".