1623269607943 has 16 divisors (see below), whose sum is σ = 1692566235360. Its totient is φ = 1554868224000.

The previous prime is 1623269607889. The next prime is 1623269607983. The reversal of 1623269607943 is 3497069623261.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1623269607943 - 2³⁷ = 1485830654471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1623269607983) 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, 13071343 + ... + 13194943.

It is an arithmetic number, because the mean of its divisors is an integer number (105785389710).

Almost surely, 2^{1623269607943} is an apocalyptic number.

1623269607943 is a deficient number, since it is larger than the sum of its proper divisors (69296627417).

1623269607943 is a wasteful number, since it uses less digits than its factorization.

1623269607943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127218.

The product of its (nonzero) digits is 17635968, while the sum is 58.

The spelling of 1623269607943 in words is "one trillion, six hundred twenty-three billion, two hundred sixty-nine million, six hundred seven thousand, nine hundred forty-three".