45263121823 has 4 divisors (see below), whose sum is σ = 45551422120. Its totient is φ = 44974821528.

The previous prime is 45263121803. The next prime is 45263121847. The reversal of 45263121823 is 32812136254.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45263121823 - 2²⁹ = 44726250911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45263121803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144149913 + ... + 144150226.

It is an arithmetic number, because the mean of its divisors is an integer number (11387855530).

Almost surely, 2^45263121823 is an apocalyptic number.

45263121823 is a deficient number, since it is larger than the sum of its proper divisors (288300297).

45263121823 is a wasteful number, since it uses less digits than its factorization.

45263121823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288300296.

The product of its digits is 69120, while the sum is 37.

The spelling of 45263121823 in words is "forty-five billion, two hundred sixty-three million, one hundred twenty-one thousand, eight hundred twenty-three".