23044155555 has 32 divisors (see below), whose sum is σ = 38143681344. Its totient is φ = 11870724096.

The previous prime is 23044155467. The next prime is 23044155557. The reversal of 23044155555 is 55555144032.

It is not a de Polignac number, because 23044155555 - 2¹³ = 23044147363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23044155557) 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, 75502 + ... + 227571.

It is an arithmetic number, because the mean of its divisors is an integer number (1191990042).

Almost surely, 2^23044155555 is an apocalyptic number.

23044155555 is a deficient number, since it is larger than the sum of its proper divisors (15099525789).

23044155555 is a wasteful number, since it uses less digits than its factorization.

23044155555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303255.

The product of its (nonzero) digits is 300000, while the sum is 39.

Adding to 23044155555 its reverse (55555144032), we get a palindrome (78599299587).

The spelling of 23044155555 in words is "twenty-three billion, forty-four million, one hundred fifty-five thousand, five hundred fifty-five".