45306331623 has 24 divisors (see below), whose sum is σ = 74852388000. Its totient is φ = 25868222784.

The previous prime is 45306331621. The next prime is 45306331667. The reversal of 45306331623 is 32613360354.

45306331623 is a `hidden beast` number, since 4 + 5 + 3 + 0 + 633 + 16 + 2 + 3 = 666.

It is not a de Polignac number, because 45306331623 - 2¹ = 45306331621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45306331621) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 215148 + ... + 370001.

It is an arithmetic number, because the mean of its divisors is an integer number (3118849500).

Almost surely, 2^45306331623 is an apocalyptic number.

45306331623 is a deficient number, since it is larger than the sum of its proper divisors (29546056377).

45306331623 is a wasteful number, since it uses less digits than its factorization.

45306331623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586391 (or 586388 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 36.

Adding to 45306331623 its reverse (32613360354), we get a palindrome (77919691977).

The spelling of 45306331623 in words is "forty-five billion, three hundred six million, three hundred thirty-one thousand, six hundred twenty-three".