420234210707723 has 16 divisors (see below), whose sum is σ = 433855332556800. Its totient is φ = 406732254789600.

The previous prime is 420234210707719. The next prime is 420234210707743. The reversal of 420234210707723 is 327707012432024.

It is a cyclic number.

It is not a de Polignac number, because 420234210707723 - 2² = 420234210707719 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420234210707743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1196967218 + ... + 1197318248.

It is an arithmetic number, because the mean of its divisors is an integer number (27115958284800).

Almost surely, 2^{420234210707723} is an apocalyptic number.

420234210707723 is a deficient number, since it is larger than the sum of its proper divisors (13621121849077).

420234210707723 is a wasteful number, since it uses less digits than its factorization.

420234210707723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520658.

The product of its (nonzero) digits is 790272, while the sum is 44.

The spelling of 420234210707723 in words is "four hundred twenty trillion, two hundred thirty-four billion, two hundred ten million, seven hundred seven thousand, seven hundred twenty-three".