1623545342453 has 8 divisors (see below), whose sum is σ = 1628370708480. Its totient is φ = 1618725535200.

The previous prime is 1623545342423. The next prime is 1623545342467. The reversal of 1623545342453 is 3542435453261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1623545342453 - 2³⁸ = 1348667435509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1623545342398 and 1623545342407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1623545342423) 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, 804323 + ... + 1973328.

It is an arithmetic number, because the mean of its divisors is an integer number (203546338560).

Almost surely, 2^{1623545342453} is an apocalyptic number.

It is an amenable number.

1623545342453 is a deficient number, since it is larger than the sum of its proper divisors (4825366027).

1623545342453 is a wasteful number, since it uses less digits than its factorization.

1623545342453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2779387.

The product of its digits is 5184000, while the sum is 47.

The spelling of 1623545342453 in words is "one trillion, six hundred twenty-three billion, five hundred forty-five million, three hundred forty-two thousand, four hundred fifty-three".