1423064516 has 12 divisors (see below), whose sum is σ = 2498321532. Its totient is φ = 709258368.

The previous prime is 1423064507. The next prime is 1423064519. The reversal of 1423064516 is 6154603241.

It can be written as a sum of positive squares in 2 ways, for example, as 538240000 + 884824516 = 23200^2 + 29746^2 .

It is a super-2 number, since 2×1423064516² = 4050225233396628512, which contains 22 as substring.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1423064519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 567065 + ... + 569568.

It is an arithmetic number, because the mean of its divisors is an integer number (208193461).

Almost surely, 2^1423064516 is an apocalyptic number.

It is an amenable number.

1423064516 is a deficient number, since it is larger than the sum of its proper divisors (1075257016).

1423064516 is a wasteful number, since it uses less digits than its factorization.

1423064516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136950 (or 1136948 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 1423064516 is about 37723.5273536291. The cubic root of 1423064516 is about 1124.7988489086.

Adding to 1423064516 its reverse (6154603241), we get a palindrome (7577667757).

The spelling of 1423064516 in words is "one billion, four hundred twenty-three million, sixty-four thousand, five hundred sixteen".