42400140323 has 8 divisors (see below), whose sum is σ = 42969958080. Its totient is φ = 41831150400.

The previous prime is 42400140311. The next prime is 42400140337. The reversal of 42400140323 is 32304100424.

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-42400140323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42400110323) 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, 103490 + ... + 309047.

It is an arithmetic number, because the mean of its divisors is an integer number (5371244760).

Almost surely, 2^42400140323 is an apocalyptic number.

42400140323 is a deficient number, since it is larger than the sum of its proper divisors (569817757).

42400140323 is a wasteful number, since it uses less digits than its factorization.

42400140323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413917.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 42400140323 its reverse (32304100424), we get a palindrome (74704240747).

The spelling of 42400140323 in words is "forty-two billion, four hundred million, one hundred forty thousand, three hundred twenty-three".