23010505 has 24 divisors (see below), whose sum is σ = 32300352. Its totient is φ = 15413376.

The previous prime is 23010497. The next prime is 23010521. The reversal of 23010505 is 50501032.

It is not a de Polignac number, because 23010505 - 2³ = 23010497 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 258501 + ... + 258589.

It is an arithmetic number, because the mean of its divisors is an integer number (1345848).

Almost surely, 2^23010505 is an apocalyptic number.

It is an amenable number.

23010505 is a deficient number, since it is larger than the sum of its proper divisors (9289847).

23010505 is an frugal number, since it uses more digits than its factorization.

23010505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273 (or 184 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 23010505 is about 4796.9266202434. The cubic root of 23010505 is about 284.4299882394.

Adding to 23010505 its reverse (50501032), we get a palindrome (73511537).

The spelling of 23010505 in words is "twenty-three million, ten thousand, five hundred five".