23446420 has 24 divisors (see below), whose sum is σ = 50287104. Its totient is φ = 9178656.

The previous prime is 23446403. The next prime is 23446433. The reversal of 23446420 is 2464432.

It is a super-2 number, since 2×23446420² = 1099469221632800, which contains 22 as substring.

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, 11532 + ... + 13411.

It is an arithmetic number, because the mean of its divisors is an integer number (2095296).

Almost surely, 2^23446420 is an apocalyptic number.

23446420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23446420 is an abundant number, since it is smaller than the sum of its proper divisors (26840684).

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

23446420 is a wasteful number, since it uses less digits than its factorization.

23446420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24999 (or 24997 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 23446420 is about 4842.1503487604. The cubic root of 23446420 is about 286.2148612817.

The spelling of 23446420 in words is "twenty-three million, four hundred forty-six thousand, four hundred twenty".