1023115033242 has 24 divisors (see below), whose sum is σ = 2216769344244. Its totient is φ = 341035251264.

The previous prime is 1023115033229. The next prime is 1023115033249. The reversal of 1023115033242 is 2423305113201.

1023115033242 is a `hidden beast` number, since 10 + 2 + 311 + 5 + 0 + 332 + 4 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1022867254161 + 247779081 = 1011369^2 + 15741^2 .

It is not an unprimeable number, because it can be changed into a prime (1023115033249) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2698038 + ... + 3053790.

Almost surely, 2^{1023115033242} is an apocalyptic number.

1023115033242 is an abundant number, since it is smaller than the sum of its proper divisors (1193654311002).

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

1023115033242 is a wasteful number, since it uses less digits than its factorization.

1023115033242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515534 (or 515531 counting only the distinct ones).

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

The spelling of 1023115033242 in words is "one trillion, twenty-three billion, one hundred fifteen million, thirty-three thousand, two hundred forty-two".