23170400530 has 32 divisors (see below), whose sum is σ = 41867228160. Its totient is φ = 9232560960.

The previous prime is 23170400521. The next prime is 23170400579. The reversal of 23170400530 is 3500407132.

It is a junction number, because it is equal to n+sod(n) for n = 23170400495 and 23170400504.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3095152 + ... + 3102628.

It is an arithmetic number, because the mean of its divisors is an integer number (1308350880).

Almost surely, 2^23170400530 is an apocalyptic number.

23170400530 is a deficient number, since it is larger than the sum of its proper divisors (18696827630).

23170400530 is a wasteful number, since it uses less digits than its factorization.

23170400530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8634.

The product of its (nonzero) digits is 2520, while the sum is 25.

Adding to 23170400530 its reverse (3500407132), we get a palindrome (26670807662).

The spelling of 23170400530 in words is "twenty-three billion, one hundred seventy million, four hundred thousand, five hundred thirty".