10203211223 has 6 divisors (see below), whose sum is σ = 10768486464. Its totient is φ = 9666199764.

The previous prime is 10203211219. The next prime is 10203211231. The reversal of 10203211223 is 32211230201.

It is not a de Polignac number, because 10203211223 - 2² = 10203211219 is a prime.

It is a super-2 number, since 2×10203211223² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10203211253) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14131511 + ... + 14132232.

It is an arithmetic number, because the mean of its divisors is an integer number (1794747744).

Almost surely, 2^10203211223 is an apocalyptic number.

10203211223 is a deficient number, since it is larger than the sum of its proper divisors (565275241).

10203211223 is an equidigital number, since it uses as much as digits as its factorization.

10203211223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28263781 (or 28263762 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 10203211223 its reverse (32211230201), we get a palindrome (42414441424).

The spelling of 10203211223 in words is "ten billion, two hundred three million, two hundred eleven thousand, two hundred twenty-three".