203123023010320 has 80 divisors (see below), whose sum is σ = 548574871603968. Its totient is φ = 68500504235520.

The previous prime is 203123023010293. The next prime is 203123023010321. The reversal of 203123023010320 is 23010320321302.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 203123023010291 and 203123023010300.

It is not an unprimeable number, because it can be changed into a prime (203123023010321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2973078004 + ... + 2973146323.

Almost surely, 2^{203123023010320} is an apocalyptic number.

203123023010320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203123023010320 is an abundant number, since it is smaller than the sum of its proper divisors (345451848593648).

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

203123023010320 is a wasteful number, since it uses less digits than its factorization.

203123023010320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5946224408 (or 5946224402 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 203123023010320 its reverse (23010320321302), we get a palindrome (226133343331622).

The spelling of 203123023010320 in words is "two hundred three trillion, one hundred twenty-three billion, twenty-three million, ten thousand, three hundred twenty".