45403723 has 2 divisors, whose sum is σ = 45403724. Its totient is φ = 45403722.

The previous prime is 45403697. The next prime is 45403751. The reversal of 45403723 is 32730454.

It is an a-pointer prime, because the next prime (45403751) can be obtained adding 45403723 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45403723 - 2¹³ = 45395531 is a prime.

It is a super-2 number, since 2×45403723² = 4122996124521458, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45403691 and 45403700.

It is not a weakly prime, because it can be changed into another prime (45403783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22701861 + 22701862.

It is an arithmetic number, because the mean of its divisors is an integer number (22701862).

Almost surely, 2^45403723 is an apocalyptic number.

45403723 is a deficient number, since it is larger than the sum of its proper divisors (1).

45403723 is an equidigital number, since it uses as much as digits as its factorization.

45403723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 28.

The square root of 45403723 is about 6738.2284763875. The cubic root of 45403723 is about 356.7498685952.

The spelling of 45403723 in words is "forty-five million, four hundred three thousand, seven hundred twenty-three".