1242322023 has 16 divisors (see below), whose sum is σ = 1736017920. Its totient is φ = 788735904.

The previous prime is 1242322019. The next prime is 1242322031. The reversal of 1242322023 is 3202232421.

It is not a de Polignac number, because 1242322023 - 2² = 1242322019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242322093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23511 + ... + 55112.

It is an arithmetic number, because the mean of its divisors is an integer number (108501120).

Almost surely, 2^1242322023 is an apocalyptic number.

1242322023 is a deficient number, since it is larger than the sum of its proper divisors (493695897).

1242322023 is a wasteful number, since it uses less digits than its factorization.

1242322023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78878.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 1242322023 is about 35246.5888136710. The cubic root of 1242322023 is about 1075.0072537459.

Adding to 1242322023 its reverse (3202232421), we get a palindrome (4444554444).

The spelling of 1242322023 in words is "one billion, two hundred forty-two million, three hundred twenty-two thousand, twenty-three".