233400401839 has 4 divisors (see below), whose sum is σ = 254618620200. Its totient is φ = 212182183480.

The previous prime is 233400401831. The next prime is 233400401849. The reversal of 233400401839 is 938104004332.

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

It is a cyclic number.

It is not a de Polignac number, because 233400401839 - 2³ = 233400401831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 233400401798 and 233400401807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233400401831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10609109164 + ... + 10609109185.

It is an arithmetic number, because the mean of its divisors is an integer number (63654655050).

Almost surely, 2^233400401839 is an apocalyptic number.

233400401839 is a deficient number, since it is larger than the sum of its proper divisors (21218218361).

233400401839 is a wasteful number, since it uses less digits than its factorization.

233400401839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21218218360.

The product of its (nonzero) digits is 62208, while the sum is 37.

The spelling of 233400401839 in words is "two hundred thirty-three billion, four hundred million, four hundred one thousand, eight hundred thirty-nine".