23271612 has 96 divisors (see below), whose sum is σ = 67812864. Its totient is φ = 6048000.

The previous prime is 23271587. The next prime is 23271629. The reversal of 23271612 is 21617232.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110187 + ... + 110397.

It is an arithmetic number, because the mean of its divisors is an integer number (706384).

Almost surely, 2^23271612 is an apocalyptic number.

23271612 is the 3939-th pentagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23271612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33906432).

23271612 is an abundant number, since it is smaller than the sum of its proper divisors (44541252).

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

23271612 is a wasteful number, since it uses less digits than its factorization.

23271612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339 (or 337 counting only the distinct ones).

The product of its digits is 1008, while the sum is 24.

The square root of 23271612 is about 4824.0659199476. The cubic root of 23271612 is about 285.5017814622.

Adding to 23271612 its reverse (21617232), we get a palindrome (44888844).

The spelling of 23271612 in words is "twenty-three million, two hundred seventy-one thousand, six hundred twelve".