1423560645 has 48 divisors (see below), whose sum is σ = 2691037440. Its totient is φ = 691936128.

The previous prime is 1423560587. The next prime is 1423560659. The reversal of 1423560645 is 5460653241.

1423560645 is a `hidden beast` number, since 1 + 4 + 2 + 3 + 5 + 6 + 0 + 645 = 666.

It is not a de Polignac number, because 1423560645 - 2⁹ = 1423560133 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30814 + ... + 61616.

It is an arithmetic number, because the mean of its divisors is an integer number (56063280).

Almost surely, 2^1423560645 is an apocalyptic number.

1423560645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1423560645 is a deficient number, since it is larger than the sum of its proper divisors (1267476795).

1423560645 is a wasteful number, since it uses less digits than its factorization.

1423560645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30906 (or 30903 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 1423560645 is about 37730.1026370192. The cubic root of 1423560645 is about 1124.9295481807.

The spelling of 1423560645 in words is "one billion, four hundred twenty-three million, five hundred sixty thousand, six hundred forty-five".