40022023 has 8 divisors (see below), whose sum is σ = 41392640. Its totient is φ = 38656440.

The previous prime is 40022011. The next prime is 40022041. The reversal of 40022023 is 32022004.

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 40022023 - 2¹⁷ = 39890951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40021994 and 40022012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40022053) 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, 22036 + ... + 23782.

It is an arithmetic number, because the mean of its divisors is an integer number (5174080).

Almost surely, 2^40022023 is an apocalyptic number.

40022023 is a deficient number, since it is larger than the sum of its proper divisors (1370617).

40022023 is a wasteful number, since it uses less digits than its factorization.

40022023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2517.

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 40022023 is about 6326.2961517779. The cubic root of 40022023 is about 342.0579424871.

Adding to 40022023 its reverse (32022004), we get a palindrome (72044027).

The spelling of 40022023 in words is "forty million, twenty-two thousand, twenty-three".