23555222463 has 16 divisors (see below), whose sum is σ = 31888999296. Its totient is φ = 15463697760.

The previous prime is 23555222459. The next prime is 23555222473. The reversal of 23555222463 is 36422255532.

It is not a de Polignac number, because 23555222463 - 2² = 23555222459 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23555222473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77628 + ... + 230513.

It is an arithmetic number, because the mean of its divisors is an integer number (1993062456).

Almost surely, 2^23555222463 is an apocalyptic number.

23555222463 is a deficient number, since it is larger than the sum of its proper divisors (8333776833).

23555222463 is a wasteful number, since it uses less digits than its factorization.

23555222463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308534.

The product of its digits is 432000, while the sum is 39.

Adding to 23555222463 its reverse (36422255532), we get a palindrome (59977477995).

The spelling of 23555222463 in words is "twenty-three billion, five hundred fifty-five million, two hundred twenty-two thousand, four hundred sixty-three".