1434623 has 2 divisors, whose sum is σ = 1434624. Its totient is φ = 1434622.

The previous prime is 1434617. The next prime is 1434637. The reversal of 1434623 is 3264341.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1434623 - 2⁴ = 1434607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1434023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 717311 + 717312.

It is an arithmetic number, because the mean of its divisors is an integer number (717312).

2^1434623 is an apocalyptic number.

1434623 is a deficient number, since it is larger than the sum of its proper divisors (1).

1434623 is an equidigital number, since it uses as much as digits as its factorization.

1434623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 23.

The square root of 1434623 is about 1197.7574879749. The cubic root of 1434623 is about 112.7835939706.

Adding to 1434623 its reverse (3264341), we get a palindrome (4698964).

The spelling of 1434623 in words is "one million, four hundred thirty-four thousand, six hundred twenty-three".