1321130023000 has 32 divisors (see below), whose sum is σ = 3091444256160. Its totient is φ = 528452008800.

The previous prime is 1321130022941. The next prime is 1321130023007. The reversal of 1321130023000 is 3200311231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321130023007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 660564012 + ... + 660566011.

It is an arithmetic number, because the mean of its divisors is an integer number (96607633005).

Almost surely, 2^{1321130023000} is an apocalyptic number.

1321130023000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1321130023000 is an abundant number, since it is smaller than the sum of its proper divisors (1770314233160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1321130023000 is a wasteful number, since it uses less digits than its factorization.

1321130023000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321130044 (or 1321130030 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 1321130023000 its reverse (3200311231), we get a palindrome (1324330334231).

The spelling of 1321130023000 in words is "one trillion, three hundred twenty-one billion, one hundred thirty million, twenty-three thousand".