23077880 has 32 divisors (see below), whose sum is σ = 59343840. Its totient is φ = 7912320.

The previous prime is 23077861. The next prime is 23077903. The reversal of 23077880 is 8877032.

It is a happy number.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 23077880.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40931 + ... + 41490.

It is an arithmetic number, because the mean of its divisors is an integer number (1854495).

Almost surely, 2^23077880 is an apocalyptic number.

23077880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23077880 is an abundant number, since it is smaller than the sum of its proper divisors (36265960).

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

23077880 is a wasteful number, since it uses less digits than its factorization.

23077880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82439 (or 82435 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 23077880 is about 4803.9442128318. The cubic root of 23077880 is about 284.7073223992.

The spelling of 23077880 in words is "twenty-three million, seventy-seven thousand, eight hundred eighty".