23770021055 has 12 divisors (see below), whose sum is σ = 31352855016. Its totient is φ = 17287287600.

The previous prime is 23770021049. The next prime is 23770021057. The reversal of 23770021055 is 55012007732.

It is not a de Polignac number, because 23770021055 - 2¹⁰ = 23770020031 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 (23770021057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19644041 + ... + 19645250.

It is an arithmetic number, because the mean of its divisors is an integer number (2612737918).

Almost surely, 2^23770021055 is an apocalyptic number.

23770021055 is a deficient number, since it is larger than the sum of its proper divisors (7582833961).

23770021055 is a wasteful number, since it uses less digits than its factorization.

23770021055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39289318 (or 39289307 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 32.

Adding to 23770021055 its reverse (55012007732), we get a palindrome (78782028787).

The spelling of 23770021055 in words is "twenty-three billion, seven hundred seventy million, twenty-one thousand, fifty-five".