1020423310430 has 16 divisors (see below), whose sum is σ = 1886404174560. Its totient is φ = 397137720672.

The previous prime is 1020423310429. The next prime is 1020423310433. The reversal of 1020423310430 is 340133240201.

It is a junction number, because it is equal to n+sod(n) for n = 1020423310396 and 1020423310405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020423310433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1378950050 + ... + 1378950789.

It is an arithmetic number, because the mean of its divisors is an integer number (117900260910).

Almost surely, 2^{1020423310430} is an apocalyptic number.

1020423310430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020423310430 is a deficient number, since it is larger than the sum of its proper divisors (865980864130).

1020423310430 is a wasteful number, since it uses less digits than its factorization.

1020423310430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2757900883.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 1020423310430 its reverse (340133240201), we get a palindrome (1360556550631).

The spelling of 1020423310430 in words is "one trillion, twenty billion, four hundred twenty-three million, three hundred ten thousand, four hundred thirty".