243420101000 has 32 divisors (see below), whose sum is σ = 569603038680. Its totient is φ = 97368040000.

The previous prime is 243420100991. The next prime is 243420101003. The reversal of 243420101000 is 101024342.

It can be written as a sum of positive squares in 4 ways, for example, as 162059384356 + 81360716644 = 402566^2 + 285238^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 243420101000.

It is not an unprimeable number, because it can be changed into a prime (243420101003) 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, 121709051 + ... + 121711050.

Almost surely, 2^243420101000 is an apocalyptic number.

243420101000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243420101000 is an abundant number, since it is smaller than the sum of its proper divisors (326182937680).

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

243420101000 is a wasteful number, since it uses less digits than its factorization.

243420101000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243420122 (or 243420108 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 243420101000 its reverse (101024342), we get a palindrome (243521125342).

The spelling of 243420101000 in words is "two hundred forty-three billion, four hundred twenty million, one hundred one thousand".