623212147 has 2 divisors, whose sum is σ = 623212148. Its totient is φ = 623212146.

The previous prime is 623212123. The next prime is 623212171. The reversal of 623212147 is 741212326.

It is a balanced prime because it is at equal distance from previous prime (623212123) and next prime (623212171).

It is a cyclic number.

It is not a de Polignac number, because 623212147 - 2¹⁵ = 623179379 is a prime.

It is not a weakly prime, because it can be changed into another prime (623282147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311606073 + 311606074.

It is an arithmetic number, because the mean of its divisors is an integer number (311606074).

Almost surely, 2^623212147 is an apocalyptic number.

623212147 is a deficient number, since it is larger than the sum of its proper divisors (1).

623212147 is an equidigital number, since it uses as much as digits as its factorization.

623212147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 28.

The square root of 623212147 is about 24964.2173320134. The cubic root of 623212147 is about 854.1719452423.

The spelling of 623212147 in words is "six hundred twenty-three million, two hundred twelve thousand, one hundred forty-seven".