23113420 has 36 divisors (see below), whose sum is σ = 53357472. Its totient is φ = 8404000.

The previous prime is 23113417. The next prime is 23113471. The reversal of 23113420 is 2431132.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23113394 and 23113403.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2356 + ... + 7195.

It is an arithmetic number, because the mean of its divisors is an integer number (1482152).

Almost surely, 2^23113420 is an apocalyptic number.

23113420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23113420 is an abundant number, since it is smaller than the sum of its proper divisors (30244052).

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

23113420 is a wasteful number, since it uses less digits than its factorization.

23113420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9582 (or 9569 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 23113420 is about 4807.6418335812. The cubic root of 23113420 is about 284.8533974648.

Adding to 23113420 its reverse (2431132), we get a palindrome (25544552).

The spelling of 23113420 in words is "twenty-three million, one hundred thirteen thousand, four hundred twenty".