23774340 has 24 divisors (see below), whose sum is σ = 66568320. Its totient is φ = 6339808.

The previous prime is 23774329. The next prime is 23774351. The reversal of 23774340 is 4347732.

It is an interprime number because it is at equal distance from previous prime (23774329) and next prime (23774351).

It is a super-3 number, since 3×23774340³ (a number of 23 digits) contains 333 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 23774298 and 23774307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198060 + ... + 198179.

It is an arithmetic number, because the mean of its divisors is an integer number (2773680).

Almost surely, 2^23774340 is an apocalyptic number.

23774340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23774340 is an abundant number, since it is smaller than the sum of its proper divisors (42793980).

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

23774340 is a wasteful number, since it uses less digits than its factorization.

23774340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396251 (or 396249 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 30.

The square root of 23774340 is about 4875.8937642242. The cubic root of 23774340 is about 287.5430156179.

The spelling of 23774340 in words is "twenty-three million, seven hundred seventy-four thousand, three hundred forty".