427233623 has 2 divisors, whose sum is σ = 427233624. Its totient is φ = 427233622.

The previous prime is 427233617. The next prime is 427233649. The reversal of 427233623 is 326332724.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 427233623 - 2²² = 423039319 is a prime.

It is a super-2 number, since 2×427233623² = 365057137243412258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 427233623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (427233223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213616811 + 213616812.

It is an arithmetic number, because the mean of its divisors is an integer number (213616812).

Almost surely, 2^427233623 is an apocalyptic number.

427233623 is a deficient number, since it is larger than the sum of its proper divisors (1).

427233623 is an equidigital number, since it uses as much as digits as its factorization.

427233623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 32.

The square root of 427233623 is about 20669.6304514619. The cubic root of 427233623 is about 753.1621294757.

The spelling of 427233623 in words is "four hundred twenty-seven million, two hundred thirty-three thousand, six hundred twenty-three".