423142402158 has 96 divisors (see below), whose sum is σ = 1094456503296. Its totient is φ = 115522982784.

The previous prime is 423142402121. The next prime is 423142402159. The reversal of 423142402158 is 851204241324.

423142402158 is a `hidden beast` number, since 4 + 231 + 4 + 2 + 402 + 15 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423142402159) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2774466 + ... + 2923002.

It is an arithmetic number, because the mean of its divisors is an integer number (11400588576).

Almost surely, 2^423142402158 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423142402158, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (547228251648).

423142402158 is an abundant number, since it is smaller than the sum of its proper divisors (671314101138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423142402158 is a wasteful number, since it uses less digits than its factorization.

423142402158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149558 (or 149555 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

The spelling of 423142402158 in words is "four hundred twenty-three billion, one hundred forty-two million, four hundred two thousand, one hundred fifty-eight".