203400098001 has 15 divisors (see below), whose sum is σ = 303850654393. Its totient is φ = 135597359340.

The previous prime is 203400097993. The next prime is 203400098059. The reversal of 203400098001 is 100890004302.

The square root of 203400098001 is 450999.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 203400098001 - 2³ = 203400097993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (203400098081) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 4033936 + ... + 4084046.

Almost surely, 2^203400098001 is an apocalyptic number.

203400098001 is the 450999-th square number.

203400098001 is the 225500-th centered octagonal number.

It is an amenable number.

203400098001 is a deficient number, since it is larger than the sum of its proper divisors (100450556392).

203400098001 is an frugal number, since it uses more digits than its factorization.

203400098001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100234 (or 50114 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The spelling of 203400098001 in words is "two hundred three billion, four hundred million, ninety-eight thousand, one".