23440332 has 24 divisors (see below), whose sum is σ = 55967296. Its totient is φ = 7631568.

The previous prime is 23440321. The next prime is 23440343. The reversal of 23440332 is 23304432.

It is an interprime number because it is at equal distance from previous prime (23440321) and next prime (23440343).

It is a junction number, because it is equal to n+sod(n) for n = 23440299 and 23440308.

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, 22198 + ... + 23229.

Almost surely, 2^23440332 is an apocalyptic number.

It is an amenable number.

23440332 is an abundant number, since it is smaller than the sum of its proper divisors (32526964).

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

23440332 is a wasteful number, since it uses less digits than its factorization.

23440332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45477 (or 45475 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 23440332 is about 4841.5216616266. The cubic root of 23440332 is about 286.1900866834.

Adding to 23440332 its reverse (23304432), we get a palindrome (46744764).

The spelling of 23440332 in words is "twenty-three million, four hundred forty thousand, three hundred thirty-two".