230642126542 has 4 divisors (see below), whose sum is σ = 345963189816. Its totient is φ = 115321063270.

The previous prime is 230642126527. The next prime is 230642126573. The reversal of 230642126542 is 245621246032.

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

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 57660531634 + ... + 57660531637.

It is an arithmetic number, because the mean of its divisors is an integer number (86490797454).

Almost surely, 2^230642126542 is an apocalyptic number.

230642126542 is a deficient number, since it is larger than the sum of its proper divisors (115321063274).

230642126542 is a wasteful number, since it uses less digits than its factorization.

230642126542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115321063273.

The product of its (nonzero) digits is 138240, while the sum is 37.

The spelling of 230642126542 in words is "two hundred thirty billion, six hundred forty-two million, one hundred twenty-six thousand, five hundred forty-two".