40234311323 has 4 divisors (see below), whose sum is σ = 40236874080. Its totient is φ = 40231748568.

The previous prime is 40234311317. The next prime is 40234311329. The reversal of 40234311323 is 32311343204.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (40234311317) and next prime (40234311329).

It is a cyclic number.

It is not a de Polignac number, because 40234311323 - 2¹⁰ = 40234310299 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40234311292 and 40234311301.

It is not an unprimeable number, because it can be changed into a prime (40234311329) 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, 1257683 + ... + 1289276.

It is an arithmetic number, because the mean of its divisors is an integer number (10059218520).

Almost surely, 2^40234311323 is an apocalyptic number.

40234311323 is a deficient number, since it is larger than the sum of its proper divisors (2562757).

40234311323 is a wasteful number, since it uses less digits than its factorization.

40234311323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2562756.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 40234311323 its reverse (32311343204), we get a palindrome (72545654527).

The spelling of 40234311323 in words is "forty billion, two hundred thirty-four million, three hundred eleven thousand, three hundred twenty-three".