23140757 has 8 divisors (see below), whose sum is σ = 24691392. Its totient is φ = 21611200.

The previous prime is 23140729. The next prime is 23140771. The reversal of 23140757 is 75704132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23140757 - 2⁶ = 23140693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23140717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2969 + ... + 7422.

It is an arithmetic number, because the mean of its divisors is an integer number (3086424).

Almost surely, 2^23140757 is an apocalyptic number.

It is an amenable number.

23140757 is a deficient number, since it is larger than the sum of its proper divisors (1550635).

23140757 is a wasteful number, since it uses less digits than its factorization.

23140757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10539.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 23140757 is about 4810.4840712760. The cubic root of 23140757 is about 284.9656550385.

Adding to 23140757 its reverse (75704132), we get a palindrome (98844889).

The spelling of 23140757 in words is "twenty-three million, one hundred forty thousand, seven hundred fifty-seven".