233220121403 has 2 divisors, whose sum is σ = 233220121404. Its totient is φ = 233220121402.

The previous prime is 233220121399. The next prime is 233220121439. The reversal of 233220121403 is 304121022332.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 233220121403 - 2² = 233220121399 is a prime.

It is not a weakly prime, because it can be changed into another prime (233220121493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116610060701 + 116610060702.

It is an arithmetic number, because the mean of its divisors is an integer number (116610060702).

Almost surely, 2^233220121403 is an apocalyptic number.

233220121403 is a deficient number, since it is larger than the sum of its proper divisors (1).

233220121403 is an equidigital number, since it uses as much as digits as its factorization.

233220121403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 233220121403 its reverse (304121022332), we get a palindrome (537341143735).

The spelling of 233220121403 in words is "two hundred thirty-three billion, two hundred twenty million, one hundred twenty-one thousand, four hundred three".