42523504343 has 4 divisors (see below), whose sum is σ = 42525063768. Its totient is φ = 42521944920.

The previous prime is 42523504339. The next prime is 42523504349. The reversal of 42523504343 is 34340532524.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42523504343 - 2² = 42523504339 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42523504349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 738068 + ... + 793593.

It is an arithmetic number, because the mean of its divisors is an integer number (10631265942).

Almost surely, 2^42523504343 is an apocalyptic number.

42523504343 is a deficient number, since it is larger than the sum of its proper divisors (1559425).

42523504343 is a wasteful number, since it uses less digits than its factorization.

42523504343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1559424.

The product of its (nonzero) digits is 172800, while the sum is 35.

The spelling of 42523504343 in words is "forty-two billion, five hundred twenty-three million, five hundred four thousand, three hundred forty-three".