45200023 has 4 divisors (see below), whose sum is σ = 49309128. Its totient is φ = 41090920.

The previous prime is 45200003. The next prime is 45200027. The reversal of 45200023 is 32000254.

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 45200023 - 2¹⁷ = 45068951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45200027) 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, 2054536 + ... + 2054557.

It is an arithmetic number, because the mean of its divisors is an integer number (12327282).

Almost surely, 2^45200023 is an apocalyptic number.

45200023 is a deficient number, since it is larger than the sum of its proper divisors (4109105).

45200023 is a wasteful number, since it uses less digits than its factorization.

45200023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4109104.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 45200023 is about 6723.0962361103. The cubic root of 45200023 is about 356.2155592847.

Adding to 45200023 its reverse (32000254), we get a palindrome (77200277).

The spelling of 45200023 in words is "forty-five million, two hundred thousand, twenty-three".