1023413420 has 12 divisors (see below), whose sum is σ = 2149168224. Its totient is φ = 409365360.

The previous prime is 1023413407. The next prime is 1023413429. The reversal of 1023413420 is 243143201.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 51170671 = 1023413420 / (1 + 0 + 2 + 3 + 4 + 1 + 3 + 4 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 1023413392 and 1023413401.

It is not an unprimeable number, because it can be changed into a prime (1023413429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25585316 + ... + 25585355.

It is an arithmetic number, because the mean of its divisors is an integer number (179097352).

Almost surely, 2^1023413420 is an apocalyptic number.

1023413420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1023413420 is an abundant number, since it is smaller than the sum of its proper divisors (1125754804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1023413420 is a wasteful number, since it uses less digits than its factorization.

1023413420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51170680 (or 51170678 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1023413420 is about 31990.8333745778. The cubic root of 1023413420 is about 1007.7443436527.

Adding to 1023413420 its reverse (243143201), we get a palindrome (1266556621).

The spelling of 1023413420 in words is "one billion, twenty-three million, four hundred thirteen thousand, four hundred twenty".