23423380 has 24 divisors (see below), whose sum is σ = 49282632. Its totient is φ = 9351552.

The previous prime is 23423369. The next prime is 23423381. The reversal of 23423380 is 8332432.

It can be written as a sum of positive squares in 4 ways, for example, as 3370896 + 20052484 = 1836^2 + 4478^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23423381) 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, 16374 + ... + 17746.

It is an arithmetic number, because the mean of its divisors is an integer number (2053443).

Almost surely, 2^23423380 is an apocalyptic number.

23423380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23423380 is an abundant number, since it is smaller than the sum of its proper divisors (25859252).

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

23423380 is a wasteful number, since it uses less digits than its factorization.

23423380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2235 (or 2233 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 23423380 is about 4839.7706557233. The cubic root of 23423380 is about 286.1210793509.

The spelling of 23423380 in words is "twenty-three million, four hundred twenty-three thousand, three hundred eighty".