1340424123 has 32 divisors (see below), whose sum is σ = 1871073792. Its totient is φ = 852768000.

The previous prime is 1340424037. The next prime is 1340424133. The reversal of 1340424123 is 3214240431.

It is not a de Polignac number, because 1340424123 - 2⁸ = 1340423867 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1340424093 and 1340424102.

It is not an unprimeable number, because it can be changed into a prime (1340424133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2230023 + ... + 2230623.

It is an arithmetic number, because the mean of its divisors is an integer number (58471056).

Almost surely, 2^1340424123 is an apocalyptic number.

1340424123 is a deficient number, since it is larger than the sum of its proper divisors (530649669).

1340424123 is a wasteful number, since it uses less digits than its factorization.

1340424123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1340424123 is about 36611.8030558453. The cubic root of 1340424123 is about 1102.5900737284.

Adding to 1340424123 its reverse (3214240431), we get a palindrome (4554664554).

The spelling of 1340424123 in words is "one billion, three hundred forty million, four hundred twenty-four thousand, one hundred twenty-three".