1623402063 has 24 divisors (see below), whose sum is σ = 2512783728. Its totient is φ = 1006324992.

The previous prime is 1623402041. The next prime is 1623402101. The reversal of 1623402063 is 3602043261.

It is not a de Polignac number, because 1623402063 - 2²⁵ = 1589847631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1623402163) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51220 + ... + 76617.

It is an arithmetic number, because the mean of its divisors is an integer number (104699322).

Almost surely, 2^1623402063 is an apocalyptic number.

1623402063 is a deficient number, since it is larger than the sum of its proper divisors (889381665).

1623402063 is a wasteful number, since it uses less digits than its factorization.

1623402063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127943 (or 127940 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 1623402063 is about 40291.4638974560. The cubic root of 1623402063 is about 1175.2818549434.

The spelling of 1623402063 in words is "one billion, six hundred twenty-three million, four hundred two thousand, sixty-three".