210432101123 has 2 divisors, whose sum is σ = 210432101124. Its totient is φ = 210432101122.

The previous prime is 210432101069. The next prime is 210432101137. The reversal of 210432101123 is 321101234012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 210432101123 - 2¹² = 210432097027 is a prime.

It is a super-2 number, since 2×210432101123² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 210432101095 and 210432101104.

It is not a weakly prime, because it can be changed into another prime (210432101153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105216050561 + 105216050562.

It is an arithmetic number, because the mean of its divisors is an integer number (105216050562).

Almost surely, 2^210432101123 is an apocalyptic number.

210432101123 is a deficient number, since it is larger than the sum of its proper divisors (1).

210432101123 is an equidigital number, since it uses as much as digits as its factorization.

210432101123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 210432101123 its reverse (321101234012), we get a palindrome (531533335135).

The spelling of 210432101123 in words is "two hundred ten billion, four hundred thirty-two million, one hundred one thousand, one hundred twenty-three".