23456020 has 24 divisors (see below), whose sum is σ = 56294784. Its totient is φ = 8042016.

The previous prime is 23456003. The next prime is 23456023. The reversal of 23456020 is 2065432.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23455982 and 23456000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23456023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83632 + ... + 83911.

It is an arithmetic number, because the mean of its divisors is an integer number (2345616).

Almost surely, 2^23456020 is an apocalyptic number.

23456020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23456020 is an abundant number, since it is smaller than the sum of its proper divisors (32838764).

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

23456020 is a wasteful number, since it uses less digits than its factorization.

23456020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167559 (or 167557 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 23456020 is about 4843.1415424288. The cubic root of 23456020 is about 286.2539189537.

The spelling of 23456020 in words is "twenty-three million, four hundred fifty-six thousand, twenty".