1142323007 has 16 divisors (see below), whose sum is σ = 1385916480. Its totient is φ = 919131648.

The previous prime is 1142323001. The next prime is 1142323009. The reversal of 1142323007 is 7003232411.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1142323007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142323001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33953 + ... + 58629.

It is an arithmetic number, because the mean of its divisors is an integer number (86619780).

Almost surely, 2^1142323007 is an apocalyptic number.

1142323007 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1142323007 is a deficient number, since it is larger than the sum of its proper divisors (243593473).

1142323007 is a wasteful number, since it uses less digits than its factorization.

1142323007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25090.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 1142323007 is about 33798.2692900095. The cubic root of 1142323007 is about 1045.3530112351.

Adding to 1142323007 its reverse (7003232411), we get a palindrome (8145555418).

The spelling of 1142323007 in words is "one billion, one hundred forty-two million, three hundred twenty-three thousand, seven".