40351741223523 has 8 divisors (see below), whose sum is σ = 54817459775568. Its totient is φ = 26393591743584.

The previous prime is 40351741223513. The next prime is 40351741223561. The reversal of 40351741223523 is 32532214715304.

40351741223523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 40351741223523 - 2⁵ = 40351741223491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40351741223513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126892267840 + ... + 126892268157.

It is an arithmetic number, because the mean of its divisors is an integer number (6852182471946).

Almost surely, 2^{40351741223523} is an apocalyptic number.

40351741223523 is a deficient number, since it is larger than the sum of its proper divisors (14465718552045).

40351741223523 is a wasteful number, since it uses less digits than its factorization.

40351741223523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253784536053.

The product of its (nonzero) digits is 604800, while the sum is 42.

Adding to 40351741223523 its reverse (32532214715304), we get a palindrome (72883955938827).

The spelling of 40351741223523 in words is "forty trillion, three hundred fifty-one billion, seven hundred forty-one million, two hundred twenty-three thousand, five hundred twenty-three".