420102503243 has 8 divisors (see below), whose sum is σ = 433807144320. Its totient is φ = 406407421440.

The previous prime is 420102503239. The next prime is 420102503287. The reversal of 420102503243 is 342305201024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 420102503243 - 2² = 420102503239 is a prime.

It is a super-2 number, since 2×420102503243² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (429102503243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2300438 + ... + 2476331.

It is an arithmetic number, because the mean of its divisors is an integer number (54225893040).

Almost surely, 2^420102503243 is an apocalyptic number.

420102503243 is a deficient number, since it is larger than the sum of its proper divisors (13704641077).

420102503243 is a wasteful number, since it uses less digits than its factorization.

420102503243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4779637.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 420102503243 its reverse (342305201024), we get a palindrome (762407704267).

The spelling of 420102503243 in words is "four hundred twenty billion, one hundred two million, five hundred three thousand, two hundred forty-three".