1223433412342 has 4 divisors (see below), whose sum is σ = 1835150118516. Its totient is φ = 611716706170.

The previous prime is 1223433412319. The next prime is 1223433412361. The reversal of 1223433412342 is 2432143343221.

It is a semiprime because it is the product of two primes.

It is a super-4 number, since 4×1223433412342⁴ (a number of 49 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1223433412298 and 1223433412307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305858353084 + ... + 305858353087.

It is an arithmetic number, because the mean of its divisors is an integer number (458787529629).

Almost surely, 2^{1223433412342} is an apocalyptic number.

1223433412342 is a deficient number, since it is larger than the sum of its proper divisors (611716706174).

1223433412342 is an equidigital number, since it uses as much as digits as its factorization.

1223433412342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611716706173.

The product of its digits is 82944, while the sum is 34.

Adding to 1223433412342 its reverse (2432143343221), we get a palindrome (3655576755563).

The spelling of 1223433412342 in words is "one trillion, two hundred twenty-three billion, four hundred thirty-three million, four hundred twelve thousand, three hundred forty-two".