1020440124023 has 16 divisors (see below), whose sum is σ = 1047781039104. Its totient is φ = 993518826720.

The previous prime is 1020440124013. The next prime is 1020440124037. The reversal of 1020440124023 is 3204210440201.

It is a cyclic number.

It is not a de Polignac number, because 1020440124023 - 2⁶ = 1020440123959 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1020440124023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020440124013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2196386 + ... + 2620112.

It is an arithmetic number, because the mean of its divisors is an integer number (65486314944).

Almost surely, 2^{1020440124023} is an apocalyptic number.

1020440124023 is a deficient number, since it is larger than the sum of its proper divisors (27340915081).

1020440124023 is a wasteful number, since it uses less digits than its factorization.

1020440124023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424222.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 1020440124023 its reverse (3204210440201), we get a palindrome (4224650564224).

The spelling of 1020440124023 in words is "one trillion, twenty billion, four hundred forty million, one hundred twenty-four thousand, twenty-three".