1430423140 has 48 divisors (see below), whose sum is σ = 3063432960. Its totient is φ = 560883200.

The previous prime is 1430423131. The next prime is 1430423143. The reversal of 1430423140 is 413240341.

It is a super-2 number, since 2×1430423140² = 4092220718894919200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1430423143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 471669 + ... + 474691.

It is an arithmetic number, because the mean of its divisors is an integer number (63821520).

Almost surely, 2^1430423140 is an apocalyptic number.

1430423140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1430423140 is an abundant number, since it is smaller than the sum of its proper divisors (1633009820).

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

1430423140 is a wasteful number, since it uses less digits than its factorization.

1430423140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3492 (or 3490 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1430423140 is about 37820.9352078978. The cubic root of 1430423140 is about 1126.7342837625.

Adding to 1430423140 its reverse (413240341), we get a palindrome (1843663481).

The spelling of 1430423140 in words is "one billion, four hundred thirty million, four hundred twenty-three thousand, one hundred forty".