1020040422423 has 32 divisors (see below), whose sum is σ = 1519489580544. Its totient is φ = 603464400000.

The previous prime is 1020040422419. The next prime is 1020040422463. The reversal of 1020040422423 is 3242240400201.

It is not a de Polignac number, because 1020040422423 - 2² = 1020040422419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1020040422393 and 1020040422402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020040422463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1918588 + ... + 2391873.

It is an arithmetic number, because the mean of its divisors is an integer number (47484049392).

Almost surely, 2^{1020040422423} is an apocalyptic number.

1020040422423 is a deficient number, since it is larger than the sum of its proper divisors (499449158121).

1020040422423 is a wasteful number, since it uses less digits than its factorization.

1020040422423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4310647.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 1020040422423 its reverse (3242240400201), we get a palindrome (4262280822624).

The spelling of 1020040422423 in words is "one trillion, twenty billion, forty million, four hundred twenty-two thousand, four hundred twenty-three".