23120735 has 16 divisors (see below), whose sum is σ = 30464640. Its totient is φ = 16705440.

The previous prime is 23120711. The next prime is 23120737. The reversal of 23120735 is 53702132.

It is not a de Polignac number, because 23120735 - 2²² = 18926431 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23120735.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23120737) 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, 7676 + ... + 10254.

It is an arithmetic number, because the mean of its divisors is an integer number (1904040).

Almost surely, 2^23120735 is an apocalyptic number.

23120735 is a deficient number, since it is larger than the sum of its proper divisors (7343905).

23120735 is a wasteful number, since it uses less digits than its factorization.

23120735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2758.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 23120735 is about 4808.4025413852. The cubic root of 23120735 is about 284.8834446960.

Adding to 23120735 its reverse (53702132), we get a palindrome (76822867).

The spelling of 23120735 in words is "twenty-three million, one hundred twenty thousand, seven hundred thirty-five".