243122424100 has 36 divisors (see below), whose sum is σ = 527988428800. Its totient is φ = 97172883360.

The previous prime is 243122424091. The next prime is 243122424157. The reversal of 243122424100 is 1424221342.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 822540 + ... + 1078339.

Almost surely, 2^243122424100 is an apocalyptic number.

243122424100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243122424100 is an abundant number, since it is smaller than the sum of its proper divisors (284866004700).

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

243122424100 is a wasteful number, since it uses less digits than its factorization.

243122424100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1902172 (or 1902165 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 243122424100 its reverse (1424221342), we get a palindrome (244546645442).

The spelling of 243122424100 in words is "two hundred forty-three billion, one hundred twenty-two million, four hundred twenty-four thousand, one hundred".