1340411523 has 32 divisors (see below), whose sum is σ = 2063888640. Its totient is φ = 766093440.

The previous prime is 1340411509. The next prime is 1340411531. The reversal of 1340411523 is 3251140431.

It is a happy number.

It is not a de Polignac number, because 1340411523 - 2⁴ = 1340411507 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1340411493 and 1340411502.

It is not an unprimeable number, because it can be changed into a prime (1340411533) 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, 24865 + ... + 57437.

It is an arithmetic number, because the mean of its divisors is an integer number (64496520).

Almost surely, 2^1340411523 is an apocalyptic number.

1340411523 is a deficient number, since it is larger than the sum of its proper divisors (723477117).

1340411523 is a wasteful number, since it uses less digits than its factorization.

1340411523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32659.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1340411523 is about 36611.6309797856. The cubic root of 1340411523 is about 1102.5866189317.

Adding to 1340411523 its reverse (3251140431), we get a palindrome (4591551954).

The spelling of 1340411523 in words is "one billion, three hundred forty million, four hundred eleven thousand, five hundred twenty-three".