40230310423 has 4 divisors (see below), whose sum is σ = 40243542768. Its totient is φ = 40217078080.

The previous prime is 40230310411. The next prime is 40230310427. The reversal of 40230310423 is 32401303204.

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 40230310423 - 2⁵ = 40230310391 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40230310394 and 40230310403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40230310427) 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, 6611611 + ... + 6617692.

It is an arithmetic number, because the mean of its divisors is an integer number (10060885692).

Almost surely, 2^40230310423 is an apocalyptic number.

40230310423 is a deficient number, since it is larger than the sum of its proper divisors (13232345).

40230310423 is a wasteful number, since it uses less digits than its factorization.

40230310423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13232344.

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

Adding to 40230310423 its reverse (32401303204), we get a palindrome (72631613627).

The spelling of 40230310423 in words is "forty billion, two hundred thirty million, three hundred ten thousand, four hundred twenty-three".