40103300123 has 4 divisors (see below), whose sum is σ = 40668135408. Its totient is φ = 39538464840.

The previous prime is 40103300099. The next prime is 40103300129. The reversal of 40103300123 is 32100330104.

It is a happy number.

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 40103300123 - 2¹² = 40103296027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40103300129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282417536 + ... + 282417677.

It is an arithmetic number, because the mean of its divisors is an integer number (10167033852).

Almost surely, 2^40103300123 is an apocalyptic number.

40103300123 is a deficient number, since it is larger than the sum of its proper divisors (564835285).

40103300123 is an equidigital number, since it uses as much as digits as its factorization.

40103300123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564835284.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 40103300123 its reverse (32100330104), we get a palindrome (72203630227).

The spelling of 40103300123 in words is "forty billion, one hundred three million, three hundred thousand, one hundred twenty-three".