23030420 has 24 divisors (see below), whose sum is σ = 55273344. Its totient is φ = 7896096.

The previous prime is 23030411. The next prime is 23030431. The reversal of 23030420 is 2403032.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 23030395 and 23030404.

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, 82112 + ... + 82391.

It is an arithmetic number, because the mean of its divisors is an integer number (2303056).

Almost surely, 2^23030420 is an apocalyptic number.

23030420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23030420 is an abundant number, since it is smaller than the sum of its proper divisors (32242924).

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

23030420 is a wasteful number, since it uses less digits than its factorization.

23030420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164519 (or 164517 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 23030420 is about 4799.0019795787. The cubic root of 23030420 is about 284.5120201905.

Adding to 23030420 its reverse (2403032), we get a palindrome (25433452).

The spelling of 23030420 in words is "twenty-three million, thirty thousand, four hundred twenty".