45434253123 has 24 divisors (see below), whose sum is σ = 75057585408. Its totient is φ = 25943388912.

The previous prime is 45434253121. The next prime is 45434253131. The reversal of 45434253123 is 32135243454.

45434253123 is a `hidden beast` number, since 4 + 543 + 42 + 53 + 1 + 23 = 666.

45434253123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45434253123 - 2¹ = 45434253121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45434253121) 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, 177661 + ... + 349902.

It is an arithmetic number, because the mean of its divisors is an integer number (3127399392).

Almost surely, 2^45434253123 is an apocalyptic number.

45434253123 is a deficient number, since it is larger than the sum of its proper divisors (29623332285).

45434253123 is a wasteful number, since it uses less digits than its factorization.

45434253123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528943 (or 528940 counting only the distinct ones).

The product of its digits is 172800, while the sum is 36.

Adding to 45434253123 its reverse (32135243454), we get a palindrome (77569496577).

The spelling of 45434253123 in words is "forty-five billion, four hundred thirty-four million, two hundred fifty-three thousand, one hundred twenty-three".