623673147845 has 16 divisors (see below), whose sum is σ = 817365368448. Its totient is φ = 453069071040.

The previous prime is 623673147829. The next prime is 623673147887. The reversal of 623673147845 is 548741376326.

It is not a de Polignac number, because 623673147845 - 2⁴ = 623673147829 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 6343274 + ... + 6440843.

It is an arithmetic number, because the mean of its divisors is an integer number (51085335528).

Almost surely, 2^623673147845 is an apocalyptic number.

It is an amenable number.

623673147845 is a deficient number, since it is larger than the sum of its proper divisors (193692220603).

623673147845 is a wasteful number, since it uses less digits than its factorization.

623673147845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12785020.

The product of its digits is 20321280, while the sum is 56.

The spelling of 623673147845 in words is "six hundred twenty-three billion, six hundred seventy-three million, one hundred forty-seven thousand, eight hundred forty-five".