1434391623 has 12 divisors (see below), whose sum is σ = 2367884688. Its totient is φ = 819652320.

The previous prime is 1434391583. The next prime is 1434391627. The reversal of 1434391623 is 3261934341.

It is not a de Polignac number, because 1434391623 - 2⁶ = 1434391559 is a prime.

It is a super-3 number, since 3×1434391623³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1434391627) 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 11 ways as a sum of consecutive naturals, for example, 11383998 + ... + 11384123.

It is an arithmetic number, because the mean of its divisors is an integer number (197323724).

Almost surely, 2^1434391623 is an apocalyptic number.

1434391623 is a deficient number, since it is larger than the sum of its proper divisors (933493065).

1434391623 is a wasteful number, since it uses less digits than its factorization.

1434391623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22768134 (or 22768131 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 1434391623 is about 37873.3629745234. The cubic root of 1434391623 is about 1127.7753037234.

The spelling of 1434391623 in words is "one billion, four hundred thirty-four million, three hundred ninety-one thousand, six hundred twenty-three".