1423145564 has 12 divisors (see below), whose sum is σ = 2493732024. Its totient is φ = 710650704.

The previous prime is 1423145561. The next prime is 1423145567. The reversal of 1423145564 is 4655413241.

It is an interprime number because it is at equal distance from previous prime (1423145561) and next prime (1423145567).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423145561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227042 + ... + 233225.

It is an arithmetic number, because the mean of its divisors is an integer number (207811002).

Almost surely, 2^1423145564 is an apocalyptic number.

It is an amenable number.

1423145564 is a deficient number, since it is larger than the sum of its proper divisors (1070586460).

1423145564 is a wasteful number, since it uses less digits than its factorization.

1423145564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461044 (or 461042 counting only the distinct ones).

The product of its digits is 57600, while the sum is 35.

The square root of 1423145564 is about 37724.6015750995. The cubic root of 1423145564 is about 1124.8202021139.

It can be divided in two parts, 14231 and 45564, that added together give a palindrome (59795).

The spelling of 1423145564 in words is "one billion, four hundred twenty-three million, one hundred forty-five thousand, five hundred sixty-four".