214731623 has 2 divisors, whose sum is σ = 214731624. Its totient is φ = 214731622.

The previous prime is 214731613. The next prime is 214731659. The reversal of 214731623 is 326137412.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 214731623 - 2⁸ = 214731367 is a prime.

It is a super-2 number, since 2×214731623² = 92219339832428258, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214731613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107365811 + 107365812.

It is an arithmetic number, because the mean of its divisors is an integer number (107365812).

Almost surely, 2^214731623 is an apocalyptic number.

214731623 is a deficient number, since it is larger than the sum of its proper divisors (1).

214731623 is an equidigital number, since it uses as much as digits as its factorization.

214731623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 29.

The square root of 214731623 is about 14653.7238611897. The cubic root of 214731623 is about 598.8232705402.

The spelling of 214731623 in words is "two hundred fourteen million, seven hundred thirty-one thousand, six hundred twenty-three".