40231503 has 48 divisors (see below), whose sum is σ = 67223520. Its totient is φ = 22966272.

The previous prime is 40231501. The next prime is 40231519. The reversal of 40231503 is 30513204.

It is not a de Polignac number, because 40231503 - 2¹ = 40231501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40231501) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 224668 + ... + 224846.

It is an arithmetic number, because the mean of its divisors is an integer number (1400490).

Almost surely, 2^40231503 is an apocalyptic number.

40231503 is a deficient number, since it is larger than the sum of its proper divisors (26992017).

40231503 is a wasteful number, since it uses less digits than its factorization.

40231503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328 (or 325 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 40231503 is about 6342.8308348875. The cubic root of 40231503 is about 342.6536948505.

Adding to 40231503 its reverse (30513204), we get a palindrome (70744707).

The spelling of 40231503 in words is "forty million, two hundred thirty-one thousand, five hundred three".