228000121403 has 2 divisors, whose sum is σ = 228000121404. Its totient is φ = 228000121402.

The previous prime is 228000121381. The next prime is 228000121409. The reversal of 228000121403 is 304121000822.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 228000121403 - 2⁶ = 228000121339 is a prime.

It is not a weakly prime, because it can be changed into another prime (228000121409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114000060701 + 114000060702.

It is an arithmetic number, because the mean of its divisors is an integer number (114000060702).

Almost surely, 2^228000121403 is an apocalyptic number.

228000121403 is a deficient number, since it is larger than the sum of its proper divisors (1).

228000121403 is an equidigital number, since it uses as much as digits as its factorization.

228000121403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 23.

The spelling of 228000121403 in words is "two hundred twenty-eight billion, one hundred twenty-one thousand, four hundred three".