40523631503 has 4 divisors (see below), whose sum is σ = 40529574120. Its totient is φ = 40517688888.

The previous prime is 40523631457. The next prime is 40523631517. The reversal of 40523631503 is 30513632504.

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 40523631503 - 2¹⁰ = 40523630479 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40523631503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40523631523) 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, 2961068 + ... + 2974721.

It is an arithmetic number, because the mean of its divisors is an integer number (10132393530).

Almost surely, 2^40523631503 is an apocalyptic number.

40523631503 is a deficient number, since it is larger than the sum of its proper divisors (5942617).

40523631503 is an equidigital number, since it uses as much as digits as its factorization.

40523631503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5942616.

The product of its (nonzero) digits is 32400, while the sum is 32.

The spelling of 40523631503 in words is "forty billion, five hundred twenty-three million, six hundred thirty-one thousand, five hundred three".