1123004656465 has 32 divisors (see below), whose sum is σ = 1461534865920. Its totient is φ = 825638252544.

The previous prime is 1123004656441. The next prime is 1123004656481. The reversal of 1123004656465 is 5646564003211.

It is a cyclic number.

It is not a de Polignac number, because 1123004656465 - 2¹³ = 1123004648273 is a prime.

It is a super-2 number, since 2×1123004656465² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 608344 + ... + 1617433.

It is an arithmetic number, because the mean of its divisors is an integer number (45672964560).

Almost surely, 2^{1123004656465} is an apocalyptic number.

It is an amenable number.

1123004656465 is a deficient number, since it is larger than the sum of its proper divisors (338530209455).

1123004656465 is a wasteful number, since it uses less digits than its factorization.

1123004656465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2225961.

The product of its (nonzero) digits is 518400, while the sum is 43.

Adding to 1123004656465 its reverse (5646564003211), we get a palindrome (6769568659676).

The spelling of 1123004656465 in words is "one trillion, one hundred twenty-three billion, four million, six hundred fifty-six thousand, four hundred sixty-five".