1434040123 has 4 divisors (see below), whose sum is σ = 1434180088. Its totient is φ = 1433900160.

The previous prime is 1434040121. The next prime is 1434040147. The reversal of 1434040123 is 3210404341.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1434040123 - 2¹ = 1434040121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1434040094 and 1434040103.

It is not an unprimeable number, because it can be changed into a prime (1434040121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53286 + ... + 75547.

It is an arithmetic number, because the mean of its divisors is an integer number (358545022).

Almost surely, 2^1434040123 is an apocalyptic number.

1434040123 is a deficient number, since it is larger than the sum of its proper divisors (139965).

1434040123 is a wasteful number, since it uses less digits than its factorization.

1434040123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139964.

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

The square root of 1434040123 is about 37868.7222256046. The cubic root of 1434040123 is about 1127.6831751402.

Adding to 1434040123 its reverse (3210404341), we get a palindrome (4644444464).

The spelling of 1434040123 in words is "one billion, four hundred thirty-four million, forty thousand, one hundred twenty-three".