212203202423 has 8 divisors (see below), whose sum is σ = 224717772528. Its totient is φ = 199692191104.

The previous prime is 212203202413. The next prime is 212203202437. The reversal of 212203202423 is 324202302212.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212203202423 is a prime.

It is a super-3 number, since 3×212203202423³ (a number of 35 digits) contains 333 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 (212203202413) 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, 766436 + ... + 1005897.

It is an arithmetic number, because the mean of its divisors is an integer number (28089721566).

Almost surely, 2^212203202423 is an apocalyptic number.

212203202423 is a deficient number, since it is larger than the sum of its proper divisors (12514570105).

212203202423 is a wasteful number, since it uses less digits than its factorization.

212203202423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1779393.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 212203202423 its reverse (324202302212), we get a palindrome (536405504635).

The spelling of 212203202423 in words is "two hundred twelve billion, two hundred three million, two hundred two thousand, four hundred twenty-three".