1023351212140 has 24 divisors (see below), whose sum is σ = 2169122013072. Its totient is φ = 405514872000.

The previous prime is 1023351212123. The next prime is 1023351212167. The reversal of 1023351212140 is 412121533201.

It is a super-3 number, since 3×1023351212140³ (a number of 37 digits) contains 333 as substring.

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 7 ways as a sum of consecutive naturals, for example, 239098611 + ... + 239102890.

It is an arithmetic number, because the mean of its divisors is an integer number (90380083878).

Almost surely, 2^{1023351212140} is an apocalyptic number.

1023351212140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1023351212140 is an abundant number, since it is smaller than the sum of its proper divisors (1145770800932).

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

1023351212140 is a wasteful number, since it uses less digits than its factorization.

1023351212140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478201617 (or 478201615 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 1023351212140 its reverse (412121533201), we get a palindrome (1435472745341).

The spelling of 1023351212140 in words is "one trillion, twenty-three billion, three hundred fifty-one million, two hundred twelve thousand, one hundred forty".