40144233423 has 16 divisors (see below), whose sum is σ = 61200308480. Its totient is φ = 22929008256.

The previous prime is 40144233413. The next prime is 40144233431. The reversal of 40144233423 is 32433244104.

It is a happy number.

40144233423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40144233423 - 2¹⁷ = 40144102351 is a prime.

It is a super-2 number, since 2×40144233423² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40144233413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 392890 + ... + 484407.

It is an arithmetic number, because the mean of its divisors is an integer number (3825019280).

Almost surely, 2^40144233423 is an apocalyptic number.

40144233423 is a deficient number, since it is larger than the sum of its proper divisors (21056075057).

40144233423 is a wasteful number, since it uses less digits than its factorization.

40144233423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879486.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 40144233423 its reverse (32433244104), we get a palindrome (72577477527).

The spelling of 40144233423 in words is "forty billion, one hundred forty-four million, two hundred thirty-three thousand, four hundred twenty-three".