42340232399 has 4 divisors (see below), whose sum is σ = 42530099136. Its totient is φ = 42150365664.

The previous prime is 42340232383. The next prime is 42340232437. The reversal of 42340232399 is 99323204324.

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 42340232399 - 2⁴ = 42340232383 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 (42340232299) 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, 94933034 + ... + 94933479.

It is an arithmetic number, because the mean of its divisors is an integer number (10632524784).

Almost surely, 2^42340232399 is an apocalyptic number.

42340232399 is a deficient number, since it is larger than the sum of its proper divisors (189866737).

42340232399 is a wasteful number, since it uses less digits than its factorization.

42340232399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189866736.

The product of its (nonzero) digits is 279936, while the sum is 41.

The spelling of 42340232399 in words is "forty-two billion, three hundred forty million, two hundred thirty-two thousand, three hundred ninety-nine".