1023897439110 has 128 divisors (see below), whose sum is σ = 3069576889344. Its totient is φ = 212806725120.

The previous prime is 1023897439099. The next prime is 1023897439129. The reversal of 1023897439110 is 119347983201.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1023897439110.

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 63 ways as a sum of consecutive naturals, for example, 2616001 + ... + 2981820.

It is an arithmetic number, because the mean of its divisors is an integer number (23981069448).

Almost surely, 2^{1023897439110} is an apocalyptic number.

1023897439110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1023897439110 is an abundant number, since it is smaller than the sum of its proper divisors (2045679450234).

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

1023897439110 is a wasteful number, since it uses less digits than its factorization.

1023897439110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5597918.

The product of its (nonzero) digits is 326592, while the sum is 48.

The spelling of 1023897439110 in words is "one trillion, twenty-three billion, eight hundred ninety-seven million, four hundred thirty-nine thousand, one hundred ten".