101400203 has 2 divisors, whose sum is σ = 101400204. Its totient is φ = 101400202.

The previous prime is 101400199. The next prime is 101400209. The reversal of 101400203 is 302004101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101400203 - 2² = 101400199 is a prime.

It is not a weakly prime, because it can be changed into another prime (101400209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50700101 + 50700102.

It is an arithmetic number, because the mean of its divisors is an integer number (50700102).

Almost surely, 2^101400203 is an apocalyptic number.

101400203 is a deficient number, since it is larger than the sum of its proper divisors (1).

101400203 is an equidigital number, since it uses as much as digits as its factorization.

101400203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 101400203 is about 10069.7667798217. The cubic root of 101400203 is about 466.3152388784.

Adding to 101400203 its reverse (302004101), we get a palindrome (403404304).

The spelling of 101400203 in words is "one hundred one million, four hundred thousand, two hundred three".