4047623 has 2 divisors, whose sum is σ = 4047624. Its totient is φ = 4047622.

The previous prime is 4047619. The next prime is 4047629. The reversal of 4047623 is 3267404.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4047623 - 2² = 4047619 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4047592 and 4047601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4047629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2023811 + 2023812.

It is an arithmetic number, because the mean of its divisors is an integer number (2023812).

Almost surely, 2^4047623 is an apocalyptic number.

4047623 is a deficient number, since it is larger than the sum of its proper divisors (1).

4047623 is an equidigital number, since it uses as much as digits as its factorization.

4047623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 4047623 is about 2011.8705226729. The cubic root of 4047623 is about 159.3675948373.

The spelling of 4047623 in words is "four million, forty-seven thousand, six hundred twenty-three".