65222153423 has 32 divisors (see below), whose sum is σ = 84515389440. Its totient is φ = 49025386080.

The previous prime is 65222153419. The next prime is 65222153449. The reversal of 65222153423 is 32435122256.

It is a cyclic number.

It is not a de Polignac number, because 65222153423 - 2² = 65222153419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65222150423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 249065 + ... + 438722.

It is an arithmetic number, because the mean of its divisors is an integer number (2641105920).

Almost surely, 2^65222153423 is an apocalyptic number.

65222153423 is a deficient number, since it is larger than the sum of its proper divisors (19293236017).

65222153423 is a wasteful number, since it uses less digits than its factorization.

65222153423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687867.

The product of its digits is 86400, while the sum is 35.

Adding to 65222153423 its reverse (32435122256), we get a palindrome (97657275679).

The spelling of 65222153423 in words is "sixty-five billion, two hundred twenty-two million, one hundred fifty-three thousand, four hundred twenty-three".