1430000123 has 4 divisors (see below), whose sum is σ = 1430079600. Its totient is φ = 1429920648.

The previous prime is 1430000107. The next prime is 1430000149. The reversal of 1430000123 is 3210000341.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1430000123 - 2⁴ = 1430000107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1430000098 and 1430000107.

It is not an unprimeable number, because it can be changed into a prime (1430000153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1553 + ... + 53501.

It is an arithmetic number, because the mean of its divisors is an integer number (357519900).

Almost surely, 2^1430000123 is an apocalyptic number.

1430000123 is a deficient number, since it is larger than the sum of its proper divisors (79477).

1430000123 is an equidigital number, since it uses as much as digits as its factorization.

1430000123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79476.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1430000123 is about 37815.3424287021. The cubic root of 1430000123 is about 1126.6232036364.

Adding to 1430000123 its reverse (3210000341), we get a palindrome (4640000464).

The spelling of 1430000123 in words is "one billion, four hundred thirty million, one hundred twenty-three", and thus it is an aban number.