45339823 has 2 divisors, whose sum is σ = 45339824. Its totient is φ = 45339822.

The previous prime is 45339821. The next prime is 45339851. The reversal of 45339823 is 32893354.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45339823 - 2¹ = 45339821 is a prime.

Together with 45339821, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45339821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22669911 + 22669912.

It is an arithmetic number, because the mean of its divisors is an integer number (22669912).

Almost surely, 2^45339823 is an apocalyptic number.

45339823 is a deficient number, since it is larger than the sum of its proper divisors (1).

45339823 is an equidigital number, since it uses as much as digits as its factorization.

45339823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 37.

The square root of 45339823 is about 6733.4852045579. The cubic root of 45339823 is about 356.5824299082.

The spelling of 45339823 in words is "forty-five million, three hundred thirty-nine thousand, eight hundred twenty-three".