45503023 has 2 divisors, whose sum is σ = 45503024. Its totient is φ = 45503022.

The previous prime is 45503021. The next prime is 45503027. The reversal of 45503023 is 32030554.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45503023 - 2¹ = 45503021 is a prime.

Together with 45503021, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 45502985 and 45503003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45503021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22751511 + 22751512.

It is an arithmetic number, because the mean of its divisors is an integer number (22751512).

Almost surely, 2^45503023 is an apocalyptic number.

45503023 is a deficient number, since it is larger than the sum of its proper divisors (1).

45503023 is an equidigital number, since it uses as much as digits as its factorization.

45503023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 45503023 is about 6745.5928575626. The cubic root of 45503023 is about 357.0097552696.

Adding to 45503023 its reverse (32030554), we get a palindrome (77533577).

The spelling of 45503023 in words is "forty-five million, five hundred three thousand, twenty-three".