420340201123 has 8 divisors (see below), whose sum is σ = 428294195136. Its totient is φ = 412387060800.

The previous prime is 420340201117. The next prime is 420340201129. The reversal of 420340201123 is 321102043024.

It is an interprime number because it is at equal distance from previous prime (420340201117) and next prime (420340201129).

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 420340201123 - 2²¹ = 420338103971 is a prime.

It is a super-2 number, since 2×420340201123² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 420340201094 and 420340201103.

It is not an unprimeable number, because it can be changed into a prime (420340201129) 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, 828303 + ... + 1235623.

It is an arithmetic number, because the mean of its divisors is an integer number (53536774392).

Almost surely, 2^420340201123 is an apocalyptic number.

420340201123 is a deficient number, since it is larger than the sum of its proper divisors (7953994013).

420340201123 is a wasteful number, since it uses less digits than its factorization.

420340201123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426845.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 420340201123 its reverse (321102043024), we get a palindrome (741442244147).

The spelling of 420340201123 in words is "four hundred twenty billion, three hundred forty million, two hundred one thousand, one hundred twenty-three".