2147623 has 2 divisors, whose sum is σ = 2147624. Its totient is φ = 2147622.

The previous prime is 2147617. The next prime is 2147633. The reversal of 2147623 is 3267412.

2147623 is nontrivially palindromic in base 6.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2147623 - 2¹⁷ = 2016551 is a prime.

It is a super-2 number, since 2×2147623² = 9224569100258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2147633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1073811 + 1073812.

It is an arithmetic number, because the mean of its divisors is an integer number (1073812).

2^2147623 is an apocalyptic number.

2147623 is a deficient number, since it is larger than the sum of its proper divisors (1).

2147623 is an equidigital number, since it uses as much as digits as its factorization.

2147623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 25.

The square root of 2147623 is about 1465.4770554328. The cubic root of 2147623 is about 129.0187060989.

The spelling of 2147623 in words is "two million, one hundred forty-seven thousand, six hundred twenty-three".