23010540 has 48 divisors (see below), whose sum is σ = 73635072. Its totient is φ = 5259456.

The previous prime is 23010523. The next prime is 23010541. The reversal of 23010540 is 4501032.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (23010541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26974 + ... + 27813.

It is an arithmetic number, because the mean of its divisors is an integer number (1534064).

Almost surely, 2^23010540 is an apocalyptic number.

23010540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23010540 is an abundant number, since it is smaller than the sum of its proper divisors (50624532).

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

23010540 is a wasteful number, since it uses less digits than its factorization.

23010540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54806 (or 54804 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 23010540 is about 4796.9302684112. The cubic root of 23010540 is about 284.4301324496.

Adding to 23010540 its reverse (4501032), we get a palindrome (27511572).

The spelling of 23010540 in words is "twenty-three million, ten thousand, five hundred forty".