1423111440412 has 24 divisors (see below), whose sum is σ = 2551744625472. Its totient is φ = 694049126400.

The previous prime is 1423111440383. The next prime is 1423111440467. The reversal of 1423111440412 is 2140441113241.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192133 + ... + 1697980.

It is an arithmetic number, because the mean of its divisors is an integer number (106322692728).

Almost surely, 2^{1423111440412} is an apocalyptic number.

It is an amenable number.

1423111440412 is a deficient number, since it is larger than the sum of its proper divisors (1128633185060).

1423111440412 is a wasteful number, since it uses less digits than its factorization.

1423111440412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1894749 (or 1894747 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

Adding to 1423111440412 its reverse (2140441113241), we get a palindrome (3563552553653).

The spelling of 1423111440412 in words is "one trillion, four hundred twenty-three billion, one hundred eleven million, four hundred forty thousand, four hundred twelve".