203310124421 has 8 divisors (see below), whose sum is σ = 212206103424. Its totient is φ = 194418846160.

The previous prime is 203310124351. The next prime is 203310124427. The reversal of 203310124421 is 124421013302.

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 203310124421 - 2²² = 203305930117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203310124427) 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, 1086650 + ... + 1259931.

It is an arithmetic number, because the mean of its divisors is an integer number (26525762928).

Almost surely, 2^203310124421 is an apocalyptic number.

It is an amenable number.

203310124421 is a deficient number, since it is larger than the sum of its proper divisors (8895979003).

203310124421 is a wasteful number, since it uses less digits than its factorization.

203310124421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2350371.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 203310124421 its reverse (124421013302), we get a palindrome (327731137723).

The spelling of 203310124421 in words is "two hundred three billion, three hundred ten million, one hundred twenty-four thousand, four hundred twenty-one".