42121323230 has 32 divisors (see below), whose sum is σ = 87031328256. Its totient is φ = 14377971744.

The previous prime is 42121323221. The next prime is 42121323271. The reversal of 42121323230 is 3232312124.

42121323230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×42121323230² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42121323196 and 42121323205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1309514 + ... + 1341293.

It is an arithmetic number, because the mean of its divisors is an integer number (2719729008).

Almost surely, 2^42121323230 is an apocalyptic number.

42121323230 is an abundant number, since it is smaller than the sum of its proper divisors (44910005026).

42121323230 is a wasteful number, since it uses less digits than its factorization.

42121323230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2651048.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 42121323230 its reverse (3232312124), we get a palindrome (45353635354).

The spelling of 42121323230 in words is "forty-two billion, one hundred twenty-one million, three hundred twenty-three thousand, two hundred thirty".