40463023 has 4 divisors (see below), whose sum is σ = 41449968. Its totient is φ = 39476080.

The previous prime is 40463021. The next prime is 40463047. The reversal of 40463023 is 32036404.

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 40463023 - 2¹ = 40463021 is a prime.

It is a Duffinian number.

It is a zygodrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 40462985 and 40463003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40463021) 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, 493411 + ... + 493492.

It is an arithmetic number, because the mean of its divisors is an integer number (10362492).

Almost surely, 2^40463023 is an apocalyptic number.

40463023 is a deficient number, since it is larger than the sum of its proper divisors (986945).

40463023 is an equidigital number, since it uses as much as digits as its factorization.

40463023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986944.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 40463023 is about 6361.0551797638. The cubic root of 40463023 is about 343.3097271188.

Adding to 40463023 its reverse (32036404), we get a palindrome (72499427).

The spelling of 40463023 in words is "forty million, four hundred sixty-three thousand, twenty-three".