230402543442 has 16 divisors (see below), whose sum is σ = 460810368480. Its totient is φ = 76799967552.

The previous prime is 230402543431. The next prime is 230402543443. The reversal of 230402543442 is 244345204032.

It is not an unprimeable number, because it can be changed into a prime (230402543443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 559434 + ... + 879642.

It is an arithmetic number, because the mean of its divisors is an integer number (28800648030).

Almost surely, 2^230402543442 is an apocalyptic number.

230402543442 is an abundant number, since it is smaller than the sum of its proper divisors (230407825038).

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

230402543442 is a wasteful number, since it uses less digits than its factorization.

230402543442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440137.

The product of its (nonzero) digits is 92160, while the sum is 33.

Adding to 230402543442 its reverse (244345204032), we get a palindrome (474747747474).

The spelling of 230402543442 in words is "two hundred thirty billion, four hundred two million, five hundred forty-three thousand, four hundred forty-two".