1430423420 has 24 divisors (see below), whose sum is σ = 3009930000. Its totient is φ = 571018752.

The previous prime is 1430423419. The next prime is 1430423437. The reversal of 1430423420 is 243240341.

It is a super-2 number, since 2×1430423420² = 4092222320968992800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61685 + ... + 81644.

It is an arithmetic number, because the mean of its divisors is an integer number (125413750).

Almost surely, 2^1430423420 is an apocalyptic number.

1430423420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1430423420 is an abundant number, since it is smaller than the sum of its proper divisors (1579506580).

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

1430423420 is a wasteful number, since it uses less digits than its factorization.

1430423420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143837 (or 143835 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 1430423420 is about 37820.9389095511. The cubic root of 1430423420 is about 1126.7343572805.

Adding to 1430423420 its reverse (243240341), we get a palindrome (1673663761).

The spelling of 1430423420 in words is "one billion, four hundred thirty million, four hundred twenty-three thousand, four hundred twenty".