1200003423044 has 24 divisors (see below), whose sum is σ = 2119371851520. Its totient is φ = 594469126944.

The previous prime is 1200003423041. The next prime is 1200003423053. The reversal of 1200003423044 is 4403243000021.

It is not an unprimeable number, because it can be changed into a prime (1200003423041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11626007 + ... + 11728769.

It is an arithmetic number, because the mean of its divisors is an integer number (88307160480).

Almost surely, 2^{1200003423044} is an apocalyptic number.

It is an amenable number.

1200003423044 is a deficient number, since it is larger than the sum of its proper divisors (919368428476).

1200003423044 is a wasteful number, since it uses less digits than its factorization.

1200003423044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129659 (or 129657 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 1200003423044 its reverse (4403243000021), we get a palindrome (5603246423065).

The spelling of 1200003423044 in words is "one trillion, two hundred billion, three million, four hundred twenty-three thousand, forty-four".