420123240030 has 64 divisors (see below), whose sum is σ = 1103657986368. Its totient is φ = 101719618560.

The previous prime is 420123240007. The next prime is 420123240037. The reversal of 420123240030 is 30042321024.

It is a junction number, because it is equal to n+sod(n) for n = 420123239979 and 420123240006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420123240037) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8806039 + ... + 8853618.

It is an arithmetic number, because the mean of its divisors is an integer number (17244656037).

Almost surely, 2^420123240030 is an apocalyptic number.

420123240030 is an abundant number, since it is smaller than the sum of its proper divisors (683534746338).

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

420123240030 is a wasteful number, since it uses less digits than its factorization.

420123240030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17659741.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 420123240030 its reverse (30042321024), we get a palindrome (450165561054).

The spelling of 420123240030 in words is "four hundred twenty billion, one hundred twenty-three million, two hundred forty thousand, thirty".