23333540 has 12 divisors (see below), whose sum is σ = 49000476. Its totient is φ = 9333408.

The previous prime is 23333533. The next prime is 23333561. The reversal of 23333540 is 4533332.

It can be written as a sum of positive squares in 2 ways, for example, as 9375844 + 13957696 = 3062^2 + 3736^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 583319 + ... + 583358.

It is an arithmetic number, because the mean of its divisors is an integer number (4083373).

Almost surely, 2^23333540 is an apocalyptic number.

23333540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23333540 is an abundant number, since it is smaller than the sum of its proper divisors (25666936).

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

23333540 is a wasteful number, since it uses less digits than its factorization.

23333540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1166686 (or 1166684 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 23.

The square root of 23333540 is about 4830.4803073815. The cubic root of 23333540 is about 285.7548063958.

Adding to 23333540 its reverse (4533332), we get a palindrome (27866872).

The spelling of 23333540 in words is "twenty-three million, three hundred thirty-three thousand, five hundred forty".