23010040 has 16 divisors (see below), whose sum is σ = 51772680. Its totient is φ = 9204000.

The previous prime is 23010037. The next prime is 23010047. The reversal of 23010040 is 4001032.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 23009999 and 23010026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23010047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287586 + ... + 287665.

Almost surely, 2^23010040 is an apocalyptic number.

23010040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23010040 is an abundant number, since it is smaller than the sum of its proper divisors (28762640).

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

23010040 is a wasteful number, since it uses less digits than its factorization.

23010040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575262 (or 575258 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 23010040 is about 4796.8781514648. The cubic root of 23010040 is about 284.4280722908.

Adding to 23010040 its reverse (4001032), we get a palindrome (27011072).

The spelling of 23010040 in words is "twenty-three million, ten thousand, forty".