203212423106 has 32 divisors (see below), whose sum is σ = 380059696512. Its totient is φ = 79168239360.

The previous prime is 203212423097. The next prime is 203212423153. The reversal of 203212423106 is 601324212302.

It is a super-3 number, since 3×203212423106³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 2775440 + ... + 2847716.

It is an arithmetic number, because the mean of its divisors is an integer number (11876865516).

Almost surely, 2^203212423106 is an apocalyptic number.

203212423106 is a deficient number, since it is larger than the sum of its proper divisors (176847273406).

203212423106 is a wasteful number, since it uses less digits than its factorization.

203212423106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90554.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 203212423106 its reverse (601324212302), we get a palindrome (804536635408).

The spelling of 203212423106 in words is "two hundred three billion, two hundred twelve million, four hundred twenty-three thousand, one hundred six".