203012012101223 has 32 divisors (see below), whose sum is σ = 226686069288000. Its totient is φ = 180518763995136.

The previous prime is 203012012101189. The next prime is 203012012101231. The reversal of 203012012101223 is 322101210210302.

It is a cyclic number.

It is not a de Polignac number, because 203012012101223 - 2¹⁶ = 203012012035687 is a prime.

It is a super-2 number, since 2×203012012101223² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 203012012101195 and 203012012101204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203012012103223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3379166861 + ... + 3379226937.

It is an arithmetic number, because the mean of its divisors is an integer number (7083939665250).

Almost surely, 2^{203012012101223} is an apocalyptic number.

203012012101223 is a deficient number, since it is larger than the sum of its proper divisors (23674057186777).

203012012101223 is a wasteful number, since it uses less digits than its factorization.

203012012101223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80531.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 203012012101223 its reverse (322101210210302), we get a palindrome (525113222311525).

The spelling of 203012012101223 in words is "two hundred three trillion, twelve billion, twelve million, one hundred one thousand, two hundred twenty-three".