128230342 has 4 divisors (see below), whose sum is σ = 192345516. Its totient is φ = 64115170.

The previous prime is 128230321. The next prime is 128230363. The reversal of 128230342 is 243032821.

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

It is an interprime number because it is at equal distance from previous prime (128230321) and next prime (128230363).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32057584 + ... + 32057587.

It is an arithmetic number, because the mean of its divisors is an integer number (48086379).

Almost surely, 2^128230342 is an apocalyptic number.

128230342 is a deficient number, since it is larger than the sum of its proper divisors (64115174).

128230342 is an equidigital number, since it uses as much as digits as its factorization.

128230342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64115173.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 128230342 is about 11323.8836977426. The cubic root of 128230342 is about 504.2705437335.

The spelling of 128230342 in words is "one hundred twenty-eight million, two hundred thirty thousand, three hundred forty-two".