233130420401 has 4 divisors (see below), whose sum is σ = 239431242612. Its totient is φ = 226829598192.

The previous prime is 233130420373. The next prime is 233130420407. The reversal of 233130420401 is 104024031332.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 103040358001 + 130090062400 = 320999^2 + 360680^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-233130420401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (233130420407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3150411050 + ... + 3150411123.

It is an arithmetic number, because the mean of its divisors is an integer number (59857810653).

Almost surely, 2^233130420401 is an apocalyptic number.

It is an amenable number.

233130420401 is a deficient number, since it is larger than the sum of its proper divisors (6300822211).

233130420401 is an equidigital number, since it uses as much as digits as its factorization.

233130420401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6300822210.

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

Adding to 233130420401 its reverse (104024031332), we get a palindrome (337154451733).

The spelling of 233130420401 in words is "two hundred thirty-three billion, one hundred thirty million, four hundred twenty thousand, four hundred one".