4021423142303 has 24 divisors (see below), whose sum is σ = 4711760752608. Its totient is φ = 3432137071104.

The previous prime is 4021423142273. The next prime is 4021423142369. The reversal of 4021423142303 is 3032413241204.

It is not a de Polignac number, because 4021423142303 - 2¹² = 4021423138207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021423142003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3402575 + ... + 4429487.

It is an arithmetic number, because the mean of its divisors is an integer number (196323364692).

Almost surely, 2^{4021423142303} is an apocalyptic number.

4021423142303 is a deficient number, since it is larger than the sum of its proper divisors (690337610305).

4021423142303 is an frugal number, since it uses more digits than its factorization.

4021423142303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027181 (or 1027153 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 4021423142303 its reverse (3032413241204), we get a palindrome (7053836383507).

The spelling of 4021423142303 in words is "four trillion, twenty-one billion, four hundred twenty-three million, one hundred forty-two thousand, three hundred three".