45987823 has 12 divisors (see below), whose sum is σ = 55342440. Its totient is φ = 38057712.

The previous prime is 45987811. The next prime is 45987827. The reversal of 45987823 is 32878954.

It is not a de Polignac number, because 45987823 - 2⁵ = 45987791 is a prime.

It is a super-2 number, since 2×45987823² = 4229759728558658, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45987827) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14761 + ... + 17602.

It is an arithmetic number, because the mean of its divisors is an integer number (4611870).

Almost surely, 2^45987823 is an apocalyptic number.

45987823 is a deficient number, since it is larger than the sum of its proper divisors (9354617).

45987823 is a wasteful number, since it uses less digits than its factorization.

45987823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32406 (or 32399 counting only the distinct ones).

The product of its digits is 483840, while the sum is 46.

The square root of 45987823 is about 6781.4322233581. The cubic root of 45987823 is about 358.2731678085.

It can be divided in two parts, 4598 and 7823, that added together give a palindrome (12421).

The spelling of 45987823 in words is "forty-five million, nine hundred eighty-seven thousand, eight hundred twenty-three".