1423222610551 has 64 divisors (see below), whose sum is σ = 1772778700800. Its totient is φ = 1139631329760.

The previous prime is 1423222610539. The next prime is 1423222610569. The reversal of 1423222610551 is 1550162223241.

It is a happy number.

It is not a de Polignac number, because 1423222610551 - 2³¹ = 1421075126903 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 (1423222619551) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 59920860 + ... + 59944606.

It is an arithmetic number, because the mean of its divisors is an integer number (27699667200).

Almost surely, 2^{1423222610551} is an apocalyptic number.

1423222610551 is a deficient number, since it is larger than the sum of its proper divisors (349556090249).

1423222610551 is a wasteful number, since it uses less digits than its factorization.

1423222610551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23969 (or 23955 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 1423222610551 its reverse (1550162223241), we get a palindrome (2973384833792).

The spelling of 1423222610551 in words is "one trillion, four hundred twenty-three billion, two hundred twenty-two million, six hundred ten thousand, five hundred fifty-one".