1011420433023 has 192 divisors, whose sum is σ = 1901067356160. Its totient is φ = 469827993600.

The previous prime is 1011420433021. The next prime is 1011420433031. The reversal of 1011420433023 is 3203340241101.

It is a happy number.

It is not a de Polignac number, because 1011420433023 - 2¹ = 1011420433021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1011420432984 and 1011420433002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011420433021) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 185885983 + ... + 185891423.

It is an arithmetic number, because the mean of its divisors is an integer number (9901392480).

Almost surely, 2^{1011420433023} is an apocalyptic number.

1011420433023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1011420433023 is a deficient number, since it is larger than the sum of its proper divisors (889646923137).

1011420433023 is a wasteful number, since it uses less digits than its factorization.

1011420433023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5758 (or 5751 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1011420433023 its reverse (3203340241101), we get a palindrome (4214760674124).

The spelling of 1011420433023 in words is "one trillion, eleven billion, four hundred twenty million, four hundred thirty-three thousand, twenty-three".