210222140423 has 2 divisors, whose sum is σ = 210222140424. Its totient is φ = 210222140422.

The previous prime is 210222140411. The next prime is 210222140461. The reversal of 210222140423 is 324041222012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210222140423 - 2¹⁰ = 210222139399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210222145423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105111070211 + 105111070212.

It is an arithmetic number, because the mean of its divisors is an integer number (105111070212).

Almost surely, 2^210222140423 is an apocalyptic number.

210222140423 is a deficient number, since it is larger than the sum of its proper divisors (1).

210222140423 is an equidigital number, since it uses as much as digits as its factorization.

210222140423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 210222140423 its reverse (324041222012), we get a palindrome (534263362435).

The spelling of 210222140423 in words is "two hundred ten billion, two hundred twenty-two million, one hundred forty thousand, four hundred twenty-three".