1423098685 has 4 divisors (see below), whose sum is σ = 1707718428. Its totient is φ = 1138478944.

The previous prime is 1423098671. The next prime is 1423098709. The reversal of 1423098685 is 5868903241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 737339716 + 685758969 = 27154^2 + 26187^2 .

It is a cyclic number.

It is not a de Polignac number, because 1423098685 - 2⁷ = 1423098557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142309864 + ... + 142309873.

It is an arithmetic number, because the mean of its divisors is an integer number (426929607).

Almost surely, 2^1423098685 is an apocalyptic number.

It is an amenable number.

1423098685 is a deficient number, since it is larger than the sum of its proper divisors (284619743).

1423098685 is an equidigital number, since it uses as much as digits as its factorization.

1423098685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284619742.

The product of its (nonzero) digits is 414720, while the sum is 46.

The square root of 1423098685 is about 37723.9802380396. The cubic root of 1423098685 is about 1124.8078512983.

The spelling of 1423098685 in words is "one billion, four hundred twenty-three million, ninety-eight thousand, six hundred eighty-five".