1423926704656 has 45 divisors (see below), whose sum is σ = 2771651326951. Its totient is φ = 708677048192.

The previous prime is 1423926704623. The next prime is 1423926704657. The reversal of 1423926704656 is 6564076293241.

It is a happy number.

The square root of 1423926704656 is 1193284.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 1221210647056 + 202716057600 = 1105084^2 + 450240^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1423926704597 and 1423926704606.

It is not an unprimeable number, because it can be changed into a prime (1423926704657) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1283973030 + ... + 1283974138.

Almost surely, 2^{1423926704656} is an apocalyptic number.

1423926704656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

1423926704656 is the 1193284-th square number.

It is an amenable number.

1423926704656 is a deficient number, since it is larger than the sum of its proper divisors (1347724622295).

1423926704656 is an frugal number, since it uses more digits than its factorization.

1423926704656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2764 (or 1380 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 55.

The spelling of 1423926704656 in words is "one trillion, four hundred twenty-three billion, nine hundred twenty-six million, seven hundred four thousand, six hundred fifty-six".