23120153 has 32 divisors (see below), whose sum is σ = 29548800. Its totient is φ = 17639424.

The previous prime is 23120039. The next prime is 23120171. The reversal of 23120153 is 35102132.

It is a cyclic number.

It is not a de Polignac number, because 23120153 - 2⁸ = 23119897 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23120183) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 259733 + ... + 259821.

It is an arithmetic number, because the mean of its divisors is an integer number (923400).

Almost surely, 2^23120153 is an apocalyptic number.

It is an amenable number.

23120153 is a deficient number, since it is larger than the sum of its proper divisors (6428647).

23120153 is a wasteful number, since it uses less digits than its factorization.

23120153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 23120153 is about 4808.3420219448. The cubic root of 23120153 is about 284.8810542939.

Adding to 23120153 its reverse (35102132), we get a palindrome (58222285).

The spelling of 23120153 in words is "twenty-three million, one hundred twenty thousand, one hundred fifty-three".