423203123000 has 64 divisors (see below), whose sum is σ = 1131766084800. Its totient is φ = 145098211200.

The previous prime is 423203122961. The next prime is 423203123011. The reversal of 423203123000 is 321302324.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30221795 + ... + 30235794.

It is an arithmetic number, because the mean of its divisors is an integer number (17683845075).

Almost surely, 2^423203123000 is an apocalyptic number.

423203123000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

423203123000 is an abundant number, since it is smaller than the sum of its proper divisors (708562961800).

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

423203123000 is a wasteful number, since it uses less digits than its factorization.

423203123000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60457617 (or 60457603 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 423203123000 its reverse (321302324), we get a palindrome (423524425324).

The spelling of 423203123000 in words is "four hundred twenty-three billion, two hundred three million, one hundred twenty-three thousand".