23001020 has 48 divisors (see below), whose sum is σ = 58114560. Its totient is φ = 7470144.

The previous prime is 23001019. The next prime is 23001049. The reversal of 23001020 is 2010032.

It is a junction number, because it is equal to n+sod(n) for n = 23000989 and 23001007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1664 + ... + 6983.

It is an arithmetic number, because the mean of its divisors is an integer number (1210720).

Almost surely, 2^23001020 is an apocalyptic number.

23001020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23001020 is an abundant number, since it is smaller than the sum of its proper divisors (35113540).

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

23001020 is a wasteful number, since it uses less digits than its factorization.

23001020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8682 (or 8680 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 23001020 is about 4795.9378644849. The cubic root of 23001020 is about 284.3909019003.

Adding to 23001020 its reverse (2010032), we get a palindrome (25011052).

The spelling of 23001020 in words is "twenty-three million, one thousand, twenty".