210423214043 has 6 divisors (see below), whose sum is σ = 244778024556. Its totient is φ = 180362754852.

The previous prime is 210423214021. The next prime is 210423214061. The reversal of 210423214043 is 340412324012.

It is not a de Polignac number, because 210423214043 - 2¹⁰ = 210423213019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210423214943) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2147175605 + ... + 2147175702.

It is an arithmetic number, because the mean of its divisors is an integer number (40796337426).

Almost surely, 2^210423214043 is an apocalyptic number.

210423214043 is a deficient number, since it is larger than the sum of its proper divisors (34354810513).

210423214043 is an equidigital number, since it uses as much as digits as its factorization.

210423214043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4294351321 (or 4294351314 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 210423214043 its reverse (340412324012), we get a palindrome (550835538055).

The spelling of 210423214043 in words is "two hundred ten billion, four hundred twenty-three million, two hundred fourteen thousand, forty-three".