4233421023420 has 48 divisors (see below), whose sum is σ = 11855165460768. Its totient is φ = 1128761168640.

The previous prime is 4233421023373. The next prime is 4233421023431. The reversal of 4233421023420 is 243201243324.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 4269651 + ... + 5166890.

It is an arithmetic number, because the mean of its divisors is an integer number (246982613766).

Almost surely, 2^{4233421023420} is an apocalyptic number.

It is an amenable number.

4233421023420 is an abundant number, since it is smaller than the sum of its proper divisors (7621744437348).

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

4233421023420 is a wasteful number, since it uses less digits than its factorization.

4233421023420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9444030 (or 9444028 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 4233421023420 its reverse (243201243324), we get a palindrome (4476622266744).

The spelling of 4233421023420 in words is "four trillion, two hundred thirty-three billion, four hundred twenty-one million, twenty-three thousand, four hundred twenty".