623411463545 has 16 divisors (see below), whose sum is σ = 805656704832. Its totient is φ = 460355517120.

The previous prime is 623411463533. The next prime is 623411463593. The reversal of 623411463545 is 545364114326.

It is not a de Polignac number, because 623411463545 - 2¹⁰ = 623411462521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 623411463496 and 623411463505.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4579310 + ... + 4713480.

It is an arithmetic number, because the mean of its divisors is an integer number (50353544052).

Almost surely, 2^623411463545 is an apocalyptic number.

623411463545 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

623411463545 is a deficient number, since it is larger than the sum of its proper divisors (182245241287).

623411463545 is a wasteful number, since it uses less digits than its factorization.

623411463545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205672.

The product of its digits is 1036800, while the sum is 44.

The spelling of 623411463545 in words is "six hundred twenty-three billion, four hundred eleven million, four hundred sixty-three thousand, five hundred forty-five".