23205678 has 16 divisors (see below), whose sum is σ = 47048016. Its totient is φ = 7629120.

The previous prime is 23205671. The next prime is 23205709. The reversal of 23205678 is 87650232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23205671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26053 + ... + 26928.

It is an arithmetic number, because the mean of its divisors is an integer number (2940501).

Almost surely, 2^23205678 is an apocalyptic number.

23205678 is an abundant number, since it is smaller than the sum of its proper divisors (23842338).

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

23205678 is a wasteful number, since it uses less digits than its factorization.

23205678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53059.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 23205678 is about 4817.2272107510. The cubic root of 23205678 is about 285.2318949817.

The spelling of 23205678 in words is "twenty-three million, two hundred five thousand, six hundred seventy-eight".