1242034323430 has 32 divisors (see below), whose sum is σ = 2245767078240. Its totient is φ = 494568771840.

The previous prime is 1242034323391. The next prime is 1242034323457. The reversal of 1242034323430 is 343234302421.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1242034323392 and 1242034323401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16397545 + ... + 16473115.

It is an arithmetic number, because the mean of its divisors is an integer number (70180221195).

Almost surely, 2^{1242034323430} is an apocalyptic number.

1242034323430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1242034323430 is a deficient number, since it is larger than the sum of its proper divisors (1003732754810).

1242034323430 is a wasteful number, since it uses less digits than its factorization.

1242034323430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82984.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 1242034323430 its reverse (343234302421), we get a palindrome (1585268625851).

The spelling of 1242034323430 in words is "one trillion, two hundred forty-two billion, thirty-four million, three hundred twenty-three thousand, four hundred thirty".