1423066344345 has 24 divisors (see below), whose sum is σ = 2467557737736. Its totient is φ = 758688899328.

The previous prime is 1423066344281. The next prime is 1423066344353. The reversal of 1423066344345 is 5434436603241.

It is a happy number.

1423066344345 is a `hidden beast` number, since 1 + 4 + 2 + 3 + 0 + 6 + 634 + 4 + 3 + 4 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1058939786304 + 364126558041 = 1029048^2 + 603429^2 .

It is not a de Polignac number, because 1423066344345 - 2⁶ = 1423066344281 is a prime.

It is a super-2 number, since 2×1423066344345² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1423066344345.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5706094 + ... + 5950263.

It is an arithmetic number, because the mean of its divisors is an integer number (102814905739).

Almost surely, 2^{1423066344345} is an apocalyptic number.

1423066344345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1423066344345 is a deficient number, since it is larger than the sum of its proper divisors (1044491393391).

1423066344345 is a wasteful number, since it uses less digits than its factorization.

1423066344345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11659081 (or 11659078 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 45.

The spelling of 1423066344345 in words is "one trillion, four hundred twenty-three billion, sixty-six million, three hundred forty-four thousand, three hundred forty-five".