1023112244540 has 24 divisors (see below), whose sum is σ = 2148999054720. Its totient is φ = 409156642368.

The previous prime is 1023112244509. The next prime is 1023112244551. The reversal of 1023112244540 is 454422113201.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5420867 + ... + 5606426.

It is an arithmetic number, because the mean of its divisors is an integer number (89541627280).

Almost surely, 2^{1023112244540} is an apocalyptic number.

1023112244540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1023112244540 is an abundant number, since it is smaller than the sum of its proper divisors (1125886810180).

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

1023112244540 is a wasteful number, since it uses less digits than its factorization.

1023112244540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11031941 (or 11031939 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 1023112244540 its reverse (454422113201), we get a palindrome (1477534357741).

The spelling of 1023112244540 in words is "one trillion, twenty-three billion, one hundred twelve million, two hundred forty-four thousand, five hundred forty".