1342123011 has 24 divisors (see below), whose sum is σ = 1968655104. Its totient is φ = 880923120.

The previous prime is 1342123001. The next prime is 1342123019. The reversal of 1342123011 is 1103212431.

1342123011 is a `hidden beast` number, since 1 + 3 + 421 + 230 + 11 = 666.

It is not a de Polignac number, because 1342123011 - 2⁷ = 1342122883 is a prime.

It is a super-2 number, since 2×1342123011² = 3602588353311412242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1342123019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 834370 + ... + 835976.

It is an arithmetic number, because the mean of its divisors is an integer number (82027296).

Almost surely, 2^1342123011 is an apocalyptic number.

1342123011 is a deficient number, since it is larger than the sum of its proper divisors (626532093).

1342123011 is a wasteful number, since it uses less digits than its factorization.

1342123011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2991 (or 2988 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1342123011 is about 36634.9970792956. The cubic root of 1342123011 is about 1103.0556940742.

Adding to 1342123011 its reverse (1103212431), we get a palindrome (2445335442).

The spelling of 1342123011 in words is "one billion, three hundred forty-two million, one hundred twenty-three thousand, eleven".