40103623 has 8 divisors (see below), whose sum is σ = 48245120. Its totient is φ = 32565240.

The previous prime is 40103611. The next prime is 40103633. The reversal of 40103623 is 32630104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40103623 - 2⁹ = 40103111 is a prime.

It is a super-2 number, since 2×40103623² = 3216601155452258, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 40103623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40103603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150633 + ... + 150898.

It is an arithmetic number, because the mean of its divisors is an integer number (6030640).

Almost surely, 2^40103623 is an apocalyptic number.

40103623 is a deficient number, since it is larger than the sum of its proper divisors (8141497).

40103623 is a wasteful number, since it uses less digits than its factorization.

40103623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301557.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 40103623 is about 6332.7421390737. The cubic root of 40103623 is about 342.2902560802.

Adding to 40103623 its reverse (32630104), we get a palindrome (72733727).

The spelling of 40103623 in words is "forty million, one hundred three thousand, six hundred twenty-three".