20130223143032 has 32 divisors (see below), whose sum is σ = 38962031001600. Its totient is φ = 9740353356000.

The previous prime is 20130223142993. The next prime is 20130223143049. The reversal of 20130223143032 is 23034132203102.

It is a happy number.

It is a super-2 number, since 2×20130223143032² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20130223142992 and 20130223143010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42507569 + ... + 42978527.

It is an arithmetic number, because the mean of its divisors is an integer number (1217563468800).

Almost surely, 2^{20130223143032} is an apocalyptic number.

It is an amenable number.

20130223143032 is a deficient number, since it is larger than the sum of its proper divisors (18831807858568).

20130223143032 is a wasteful number, since it uses less digits than its factorization.

20130223143032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643347 (or 643343 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 20130223143032 its reverse (23034132203102), we get a palindrome (43164355346134).

The spelling of 20130223143032 in words is "twenty trillion, one hundred thirty billion, two hundred twenty-three million, one hundred forty-three thousand, thirty-two".