210145130423 has 16 divisors (see below), whose sum is σ = 220607914176. Its totient is φ = 199795875840.

The previous prime is 210145130413. The next prime is 210145130473. The reversal of 210145130423 is 324031541012.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 210145130423 - 2²⁸ = 209876694967 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210145130392 and 210145130401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210145130413) 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, 3058163 + ... + 3126123.

It is an arithmetic number, because the mean of its divisors is an integer number (13787994636).

Almost surely, 2^210145130423 is an apocalyptic number.

210145130423 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

210145130423 is a deficient number, since it is larger than the sum of its proper divisors (10462783753).

210145130423 is a wasteful number, since it uses less digits than its factorization.

210145130423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68794.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 210145130423 its reverse (324031541012), we get a palindrome (534176671435).

The spelling of 210145130423 in words is "two hundred ten billion, one hundred forty-five million, one hundred thirty thousand, four hundred twenty-three".