1623436406044 has 48 divisors (see below), whose sum is σ = 2936918880000. Its totient is φ = 784393758720.

The previous prime is 1623436406017. The next prime is 1623436406047. The reversal of 1623436406044 is 4406046343261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1623436406047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 361323462 + ... + 361327954.

It is an arithmetic number, because the mean of its divisors is an integer number (61185810000).

Almost surely, 2^{1623436406044} is an apocalyptic number.

It is an amenable number.

1623436406044 is a deficient number, since it is larger than the sum of its proper divisors (1313482473956).

1623436406044 is a wasteful number, since it uses less digits than its factorization.

1623436406044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8110 (or 8108 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 43.

The spelling of 1623436406044 in words is "one trillion, six hundred twenty-three billion, four hundred thirty-six million, four hundred six thousand, forty-four".