23671278 has 40 divisors (see below), whose sum is σ = 55356048. Its totient is φ = 7546176.

The previous prime is 23671273. The next prime is 23671303. The reversal of 23671278 is 87217632.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23671273) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 550 + ... + 6902.

Almost surely, 2^23671278 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23671278, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27678024).

23671278 is an abundant number, since it is smaller than the sum of its proper divisors (31684770).

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

23671278 is a wasteful number, since it uses less digits than its factorization.

23671278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6390 (or 6381 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 23671278 is about 4865.3137617218. The cubic root of 23671278 is about 287.1269131586.

The spelling of 23671278 in words is "twenty-three million, six hundred seventy-one thousand, two hundred seventy-eight".