23109654 has 16 divisors (see below), whose sum is σ = 46269360. Its totient is φ = 7694880.

The previous prime is 23109649. The next prime is 23109661. The reversal of 23109654 is 45690132.

It is a super-2 number, since 2×23109654² = 1068112215999432, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6892 + ... + 9680.

It is an arithmetic number, because the mean of its divisors is an integer number (2891835).

Almost surely, 2^23109654 is an apocalyptic number.

23109654 is an abundant number, since it is smaller than the sum of its proper divisors (23159706).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23109654 is a wasteful number, since it uses less digits than its factorization.

23109654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4175.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 23109654 is about 4807.2501495138. The cubic root of 23109654 is about 284.8379257004.

Adding to 23109654 its reverse (45690132), we get a palindrome (68799786).

The spelling of 23109654 in words is "twenty-three million, one hundred nine thousand, six hundred fifty-four".