1430012143 has 16 divisors (see below), whose sum is σ = 1795115520. Its totient is φ = 1110722976.

The previous prime is 1430012107. The next prime is 1430012161. The reversal of 1430012143 is 3412100341.

It is not a de Polignac number, because 1430012143 - 2¹⁷ = 1429881071 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1430012143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1430012173) 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, 230680 + ... + 236797.

It is an arithmetic number, because the mean of its divisors is an integer number (112194720).

Almost surely, 2^1430012143 is an apocalyptic number.

1430012143 is a deficient number, since it is larger than the sum of its proper divisors (365103377).

1430012143 is a wasteful number, since it uses less digits than its factorization.

1430012143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467526.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1430012143 is about 37815.5013585699. The cubic root of 1430012143 is about 1126.6263602731.

Adding to 1430012143 its reverse (3412100341), we get a palindrome (4842112484).

The spelling of 1430012143 in words is "one billion, four hundred thirty million, twelve thousand, one hundred forty-three".