23671380 has 24 divisors (see below), whose sum is σ = 66280032. Its totient is φ = 6312352.

The previous prime is 23671367. The next prime is 23671411. The reversal of 23671380 is 8317632.

It is a super-2 number, since 2×23671380² = 1120668462208800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 197202 + ... + 197321.

It is an arithmetic number, because the mean of its divisors is an integer number (2761668).

Almost surely, 2^23671380 is an apocalyptic number.

23671380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23671380 is an abundant number, since it is smaller than the sum of its proper divisors (42608652).

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

23671380 is a wasteful number, since it uses less digits than its factorization.

23671380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394535 (or 394533 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 23671380 is about 4865.3242440766. The cubic root of 23671380 is about 287.1273255698.

The spelling of 23671380 in words is "twenty-three million, six hundred seventy-one thousand, three hundred eighty".