203230121323 has 8 divisors (see below), whose sum is σ = 219244926528. Its totient is φ = 187666437504.

The previous prime is 203230121279. The next prime is 203230121327. The reversal of 203230121323 is 323121032302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 203230121323 - 2²¹ = 203228024171 is a prime.

It is a super-2 number, since 2×203230121323² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 203230121294 and 203230121303.

It is not an unprimeable number, because it can be changed into a prime (203230121327) 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, 112779411 + ... + 112781212.

It is an arithmetic number, because the mean of its divisors is an integer number (27405615816).

Almost surely, 2^203230121323 is an apocalyptic number.

203230121323 is a deficient number, since it is larger than the sum of its proper divisors (16014805205).

203230121323 is a wasteful number, since it uses less digits than its factorization.

203230121323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225560693.

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

Adding to 203230121323 its reverse (323121032302), we get a palindrome (526351153625).

The spelling of 203230121323 in words is "two hundred three billion, two hundred thirty million, one hundred twenty-one thousand, three hundred twenty-three".