40211023 has 4 divisors (see below), whose sum is σ = 41597640. Its totient is φ = 38824408.

The previous prime is 40211009. The next prime is 40211053. The reversal of 40211023 is 32011204.

40211023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-40211023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40210994 and 40211012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40211053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 693265 + ... + 693322.

It is an arithmetic number, because the mean of its divisors is an integer number (10399410).

Almost surely, 2^40211023 is an apocalyptic number.

40211023 is a deficient number, since it is larger than the sum of its proper divisors (1386617).

40211023 is a wasteful number, since it uses less digits than its factorization.

40211023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1386616.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 40211023 is about 6341.2162082679. The cubic root of 40211023 is about 342.5955419251.

Adding to 40211023 its reverse (32011204), we get a palindrome (72222227).

The spelling of 40211023 in words is "forty million, two hundred eleven thousand, twenty-three".