23278755 has 8 divisors (see below), whose sum is σ = 37246032. Its totient is φ = 12415328.

The previous prime is 23278753. The next prime is 23278769. The reversal of 23278755 is 55787232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23278755 - 2¹ = 23278753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23278753) 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, 775944 + ... + 775973.

It is an arithmetic number, because the mean of its divisors is an integer number (4655754).

Almost surely, 2^23278755 is an apocalyptic number.

23278755 is a deficient number, since it is larger than the sum of its proper divisors (13967277).

23278755 is a wasteful number, since it uses less digits than its factorization.

23278755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1551925.

The product of its digits is 117600, while the sum is 39.

The square root of 23278755 is about 4824.8062137251. The cubic root of 23278755 is about 285.5309891596.

It can be divided in two parts, 232 and 78755, that added together give a palindrome (78987).

The spelling of 23278755 in words is "twenty-three million, two hundred seventy-eight thousand, seven hundred fifty-five".