1342340123 has 8 divisors (see below), whose sum is σ = 1387700160. Its totient is φ = 1297581120.

The previous prime is 1342340119. The next prime is 1342340141. The reversal of 1342340123 is 3210432431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1342340123 - 2² = 1342340119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1342340143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145715 + ... + 154652.

It is an arithmetic number, because the mean of its divisors is an integer number (173462520).

Almost surely, 2^1342340123 is an apocalyptic number.

1342340123 is a deficient number, since it is larger than the sum of its proper divisors (45360037).

1342340123 is a wasteful number, since it uses less digits than its factorization.

1342340123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300517.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1342340123 is about 36637.9601369945. The cubic root of 1342340123 is about 1103.1151704196.

Adding to 1342340123 its reverse (3210432431), we get a palindrome (4552772554).

The spelling of 1342340123 in words is "one billion, three hundred forty-two million, three hundred forty thousand, one hundred twenty-three".