40412023 has 4 divisors (see below), whose sum is σ = 41174568. Its totient is φ = 39649480.

The previous prime is 40412017. The next prime is 40412027. The reversal of 40412023 is 32021404.

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 40412023 - 2¹⁷ = 40280951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40411988 and 40412006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40412027) 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, 381193 + ... + 381298.

It is an arithmetic number, because the mean of its divisors is an integer number (10293642).

Almost surely, 2^40412023 is an apocalyptic number.

40412023 is a deficient number, since it is larger than the sum of its proper divisors (762545).

40412023 is an equidigital number, since it uses as much as digits as its factorization.

40412023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762544.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 40412023 is about 6357.0451469216. The cubic root of 40412023 is about 343.1654294694.

Adding to 40412023 its reverse (32021404), we get a palindrome (72433427).

The spelling of 40412023 in words is "forty million, four hundred twelve thousand, twenty-three".