1023435655202 has 4 divisors (see below), whose sum is σ = 1535153482806. Its totient is φ = 511717827600.

The previous prime is 1023435655199. The next prime is 1023435655219. The reversal of 1023435655202 is 2025565343201.

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

It can be written as a sum of positive squares in only one way, i.e., 837501352801 + 185934302401 = 915151^2 + 431201^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255858913799 + ... + 255858913802.

Almost surely, 2^{1023435655202} is an apocalyptic number.

1023435655202 is a deficient number, since it is larger than the sum of its proper divisors (511717827604).

1023435655202 is an equidigital number, since it uses as much as digits as its factorization.

1023435655202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511717827603.

The product of its (nonzero) digits is 216000, while the sum is 38.

The spelling of 1023435655202 in words is "one trillion, twenty-three billion, four hundred thirty-five million, six hundred fifty-five thousand, two hundred two".