40134123323 has 16 divisors (see below), whose sum is σ = 47499860160. Its totient is φ = 33178992000.

The previous prime is 40134123319. The next prime is 40134123331. The reversal of 40134123323 is 32332143104.

It is not a de Polignac number, because 40134123323 - 2² = 40134123319 is a prime.

It is a super-2 number, since 2×40134123323² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40134123292 and 40134123301.

It is not an unprimeable number, because it can be changed into a prime (40134123223) 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 15 ways as a sum of consecutive naturals, for example, 85973 + ... + 296073.

It is an arithmetic number, because the mean of its divisors is an integer number (2968741260).

Almost surely, 2^40134123323 is an apocalyptic number.

40134123323 is a deficient number, since it is larger than the sum of its proper divisors (7365736837).

40134123323 is a wasteful number, since it uses less digits than its factorization.

40134123323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211078.

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

Adding to 40134123323 its reverse (32332143104), we get a palindrome (72466266427).

The spelling of 40134123323 in words is "forty billion, one hundred thirty-four million, one hundred twenty-three thousand, three hundred twenty-three".