1023351213204 has 36 divisors (see below), whose sum is σ = 2587066465984. Its totient is φ = 341082520272.

The previous prime is 1023351213197. The next prime is 1023351213223. The reversal of 1023351213204 is 4023121533201.

1023351213204 is a `hidden beast` number, since 1 + 0 + 2 + 335 + 1 + 2 + 1 + 320 + 4 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1078012 + ... + 1791315.

Almost surely, 2^{1023351213204} is an apocalyptic number.

It is an amenable number.

1023351213204 is an abundant number, since it is smaller than the sum of its proper divisors (1563715252780).

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

1023351213204 is a wasteful number, since it uses less digits than its factorization.

1023351213204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2879244 (or 2879239 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 1023351213204 its reverse (4023121533201), we get a palindrome (5046472746405).

The spelling of 1023351213204 in words is "one trillion, twenty-three billion, three hundred fifty-one million, two hundred thirteen thousand, two hundred four".