235321421004 has 36 divisors (see below), whose sum is σ = 598832488800. Its totient is φ = 77914025760.

The previous prime is 235321421003. The next prime is 235321421021. The reversal of 235321421004 is 400124123532.

235321421004 is a `hidden beast` number, since 23 + 532 + 1 + 4 + 2 + 100 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (235321421003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21929892 + ... + 21940619.

It is an arithmetic number, because the mean of its divisors is an integer number (16634235800).

Almost surely, 2^235321421004 is an apocalyptic number.

It is an amenable number.

235321421004 is an abundant number, since it is smaller than the sum of its proper divisors (363511067796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

235321421004 is a wasteful number, since it uses less digits than its factorization.

235321421004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43870670 (or 43870665 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 235321421004 its reverse (400124123532), we get a palindrome (635445544536).

The spelling of 235321421004 in words is "two hundred thirty-five billion, three hundred twenty-one million, four hundred twenty-one thousand, four".