40336123 has 4 divisors (see below), whose sum is σ = 40360600. Its totient is φ = 40311648.

The previous prime is 40336103. The next prime is 40336133. The reversal of 40336123 is 32163304.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40336123 is a prime.

It is a super-2 number, since 2×40336123² = 3254005637342258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40336094 and 40336103.

It is not an unprimeable number, because it can be changed into a prime (40336103) 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, 9573 + ... + 13126.

It is an arithmetic number, because the mean of its divisors is an integer number (10090150).

Almost surely, 2^40336123 is an apocalyptic number.

40336123 is a deficient number, since it is larger than the sum of its proper divisors (24477).

40336123 is a wasteful number, since it uses less digits than its factorization.

40336123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24476.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 40336123 is about 6351.0725865794. The cubic root of 40336123 is about 342.9504556613.

Adding to 40336123 its reverse (32163304), we get a palindrome (72499427).

The spelling of 40336123 in words is "forty million, three hundred thirty-six thousand, one hundred twenty-three".