1020000423 has 32 divisors (see below), whose sum is σ = 1532696256. Its totient is φ = 599159808.

The previous prime is 1020000407. The next prime is 1020000433. The reversal of 1020000423 is 3240000201.

It is not a de Polignac number, because 1020000423 - 2⁴ = 1020000407 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1020000399 and 1020000408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020000403) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 69811 + ... + 83147.

It is an arithmetic number, because the mean of its divisors is an integer number (47896758).

Almost surely, 2^1020000423 is an apocalyptic number.

1020000423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1020000423 is a deficient number, since it is larger than the sum of its proper divisors (512695833).

1020000423 is a wasteful number, since it uses less digits than its factorization.

1020000423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13443.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 1020000423 is about 31937.4454676638. The cubic root of 1020000423 is about 1006.6228487109.

Adding to 1020000423 its reverse (3240000201), we get a palindrome (4260000624).

It can be divided in two parts, 1020000 and 423, that multiplied together give a triangular number (431460000 = T₂₉₃₇₅).

The spelling of 1020000423 in words is "one billion, twenty million, four hundred twenty-three", and thus it is an aban number.