40323121133 has 8 divisors (see below), whose sum is σ = 41810528256. Its totient is φ = 38847380400.

The previous prime is 40323121099. The next prime is 40323121147. The reversal of 40323121133 is 33112132304.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40323121133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40323121099 and 40323121108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40323121193) 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, 2909558 + ... + 2923383.

It is an arithmetic number, because the mean of its divisors is an integer number (5226316032).

Almost surely, 2^40323121133 is an apocalyptic number.

It is an amenable number.

40323121133 is a deficient number, since it is larger than the sum of its proper divisors (1487407123).

40323121133 is a wasteful number, since it uses less digits than its factorization.

40323121133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5833195.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 40323121133 its reverse (33112132304), we get a palindrome (73435253437).

The spelling of 40323121133 in words is "forty billion, three hundred twenty-three million, one hundred twenty-one thousand, one hundred thirty-three".