40402134331223 has 8 divisors (see below), whose sum is σ = 46189697061792. Its totient is φ = 34618528914336.

The previous prime is 40402134331123. The next prime is 40402134331249. The reversal of 40402134331223 is 32213343120404.

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

It is a cyclic number.

It is not a de Polignac number, because 40402134331223 - 2¹⁰ = 40402134330199 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40402134331223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40402134331123) 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, 989306540 + ... + 989347377.

It is an arithmetic number, because the mean of its divisors is an integer number (5773712132724).

Almost surely, 2^{40402134331223} is an apocalyptic number.

40402134331223 is a deficient number, since it is larger than the sum of its proper divisors (5787562730569).

40402134331223 is a wasteful number, since it uses less digits than its factorization.

40402134331223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1978656841.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 40402134331223 its reverse (32213343120404), we get a palindrome (72615477451627).

The spelling of 40402134331223 in words is "forty trillion, four hundred two billion, one hundred thirty-four million, three hundred thirty-one thousand, two hundred twenty-three".