45403223 has 2 divisors, whose sum is σ = 45403224. Its totient is φ = 45403222.

The previous prime is 45403177. The next prime is 45403229. The reversal of 45403223 is 32230454.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45403223 - 2⁸ = 45402967 is a prime.

It is a super-2 number, since 2×45403223² = 4122905317575458, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45403229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22701611 + 22701612.

It is an arithmetic number, because the mean of its divisors is an integer number (22701612).

Almost surely, 2^45403223 is an apocalyptic number.

45403223 is a deficient number, since it is larger than the sum of its proper divisors (1).

45403223 is an equidigital number, since it uses as much as digits as its factorization.

45403223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 45403223 is about 6738.1913745455. The cubic root of 45403223 is about 356.7485590433.

Adding to 45403223 its reverse (32230454), we get a palindrome (77633677).

The spelling of 45403223 in words is "forty-five million, four hundred three thousand, two hundred twenty-three".