1145423203000 has 32 divisors (see below), whose sum is σ = 2680290297360. Its totient is φ = 458169280800.

The previous prime is 1145423202971. The next prime is 1145423203027. The reversal of 1145423203000 is 3023245411.

It is a Harshad number since it is a multiple of its sum of digits (25).

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, 572710602 + ... + 572712601.

Almost surely, 2^{1145423203000} is an apocalyptic number.

1145423203000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1145423203000 is an abundant number, since it is smaller than the sum of its proper divisors (1534867094360).

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

1145423203000 is a wasteful number, since it uses less digits than its factorization.

1145423203000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145423224 (or 1145423210 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 1145423203000 its reverse (3023245411), we get a palindrome (1148446448411).

The spelling of 1145423203000 in words is "one trillion, one hundred forty-five billion, four hundred twenty-three million, two hundred three thousand".