1242323400142 has 64 divisors (see below), whose sum is σ = 2050324420608. Its totient is φ = 559880640000.

The previous prime is 1242323400133. The next prime is 1242323400151. The reversal of 1242323400142 is 2410043232421.

It is an interprime number because it is at equal distance from previous prime (1242323400133) and next prime (1242323400151).

It is a self number, because there is not a number n which added to its sum of digits gives 1242323400142.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1509505543 + ... + 1509506365.

It is an arithmetic number, because the mean of its divisors is an integer number (32036319072).

Almost surely, 2^{1242323400142} is an apocalyptic number.

1242323400142 is a deficient number, since it is larger than the sum of its proper divisors (808001020466).

1242323400142 is a wasteful number, since it uses less digits than its factorization.

1242323400142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2065.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 1242323400142 its reverse (2410043232421), we get a palindrome (3652366632563).

The spelling of 1242323400142 in words is "one trillion, two hundred forty-two billion, three hundred twenty-three million, four hundred thousand, one hundred forty-two".