1023000144220 has 96 divisors (see below), whose sum is σ = 2258309289600. Its totient is φ = 388513213440.

The previous prime is 1023000144209. The next prime is 1023000144233. The reversal of 1023000144220 is 224410003201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 119323854 + ... + 119332426.

It is an arithmetic number, because the mean of its divisors is an integer number (23524055100).

Almost surely, 2^{1023000144220} is an apocalyptic number.

1023000144220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1023000144220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1129154644800).

1023000144220 is an abundant number, since it is smaller than the sum of its proper divisors (1235309145380).

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

1023000144220 is a wasteful number, since it uses less digits than its factorization.

1023000144220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10495 (or 10493 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 1023000144220 its reverse (224410003201), we get a palindrome (1247410147421).

The spelling of 1023000144220 in words is "one trillion, twenty-three billion, one hundred forty-four thousand, two hundred twenty".