1430133923 has 2 divisors, whose sum is σ = 1430133924. Its totient is φ = 1430133922.

The previous prime is 1430133917. The next prime is 1430133941. The reversal of 1430133923 is 3293310341.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1430133923 is a prime.

It is not a weakly prime, because it can be changed into another prime (1430133973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 715066961 + 715066962.

It is an arithmetic number, because the mean of its divisors is an integer number (715066962).

Almost surely, 2^1430133923 is an apocalyptic number.

1430133923 is a deficient number, since it is larger than the sum of its proper divisors (1).

1430133923 is an equidigital number, since it uses as much as digits as its factorization.

1430133923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 29.

The square root of 1430133923 is about 37817.1115105318. Note that the first 3 decimals coincide. The cubic root of 1430133923 is about 1126.6583405759.

The spelling of 1430133923 in words is "one billion, four hundred thirty million, one hundred thirty-three thousand, nine hundred twenty-three".