1233000401 has 4 divisors (see below), whose sum is σ = 1233876900. Its totient is φ = 1232123904.

The previous prime is 1233000371. The next prime is 1233000409. The reversal of 1233000401 is 1040003321.

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 392000401 + 841000000 = 19799^2 + 29000^2 .

It is a cyclic number.

It is not a de Polignac number, because 1233000401 - 2²⁶ = 1165891537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1233000409) 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 in 3 ways as a sum of consecutive naturals, for example, 436136 + ... + 438953.

It is an arithmetic number, because the mean of its divisors is an integer number (308469225).

Almost surely, 2^1233000401 is an apocalyptic number.

It is an amenable number.

1233000401 is a deficient number, since it is larger than the sum of its proper divisors (876499).

1233000401 is an equidigital number, since it uses as much as digits as its factorization.

1233000401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876498.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1233000401 is about 35114.1054421154. The cubic root of 1233000401 is about 1072.3117691552.

Adding to 1233000401 its reverse (1040003321), we get a palindrome (2273003722).

The spelling of 1233000401 in words is "one billion, two hundred thirty-three million, four hundred one", and thus it is an aban number.