23271738 has 16 divisors (see below), whose sum is σ = 53192640. Its totient is φ = 6649056.

The previous prime is 23271727. The next prime is 23271761. The reversal of 23271738 is 83717232.

It is a junction number, because it is equal to n+sod(n) for n = 23271699 and 23271708.

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, 277003 + ... + 277086.

It is an arithmetic number, because the mean of its divisors is an integer number (3324540).

Almost surely, 2^23271738 is an apocalyptic number.

23271738 is an abundant number, since it is smaller than the sum of its proper divisors (29920902).

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

23271738 is a wasteful number, since it uses less digits than its factorization.

23271738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554101.

The product of its digits is 14112, while the sum is 33.

The square root of 23271738 is about 4824.0789794530. The cubic root of 23271738 is about 285.5022967274.

The spelling of 23271738 in words is "twenty-three million, two hundred seventy-one thousand, seven hundred thirty-eight".