1623632043423 has 16 divisors (see below), whose sum is σ = 2331409203200. Its totient is φ = 999140988384.

The previous prime is 1623632043401. The next prime is 1623632043431. The reversal of 1623632043423 is 3243402363261.

It is not a de Polignac number, because 1623632043423 - 2¹³ = 1623632035231 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1623632042423) 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, 2161890 + ... + 2814432.

It is an arithmetic number, because the mean of its divisors is an integer number (145713075200).

Almost surely, 2^{1623632043423} is an apocalyptic number.

1623632043423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1623632043423 is a deficient number, since it is larger than the sum of its proper divisors (707777159777).

1623632043423 is a wasteful number, since it uses less digits than its factorization.

1623632043423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716358.

The product of its (nonzero) digits is 373248, while the sum is 39.

The spelling of 1623632043423 in words is "one trillion, six hundred twenty-three billion, six hundred thirty-two million, forty-three thousand, four hundred twenty-three".