853673623 has 16 divisors (see below), whose sum is σ = 943810560. Its totient is φ = 765676800.

The previous prime is 853673617. The next prime is 853673633. The reversal of 853673623 is 326376358.

It is a cyclic number.

It is not a de Polignac number, because 853673623 - 2⁹ = 853673111 is a prime.

It is a super-2 number, since 2×853673623² = 1457517309211892258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 853673623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (853673603) 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, 403338 + ... + 405448.

It is an arithmetic number, because the mean of its divisors is an integer number (58988160).

Almost surely, 2^853673623 is an apocalyptic number.

853673623 is a deficient number, since it is larger than the sum of its proper divisors (90136937).

853673623 is a wasteful number, since it uses less digits than its factorization.

853673623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2598.

The product of its digits is 544320, while the sum is 43.

The square root of 853673623 is about 29217.6936632582. The cubic root of 853673623 is about 948.6309450706.

It can be divided in two parts, 853 and 673623, that added together give a palindrome (674476).

The spelling of 853673623 in words is "eight hundred fifty-three million, six hundred seventy-three thousand, six hundred twenty-three".