23456121 has 8 divisors (see below), whose sum is σ = 33680640. Its totient is φ = 14434512.

The previous prime is 23456117. The next prime is 23456123. The reversal of 23456121 is 12165432.

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

It is not a de Polignac number, because 23456121 - 2² = 23456117 is a prime.

It is a super-2 number, since 2×23456121² = 1100379224733282, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 23456091 and 23456100.

It is not an unprimeable number, because it can be changed into a prime (23456123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300681 + ... + 300758.

It is an arithmetic number, because the mean of its divisors is an integer number (4210080).

Almost surely, 2^23456121 is an apocalyptic number.

It is an amenable number.

23456121 is a deficient number, since it is larger than the sum of its proper divisors (10224519).

23456121 is a wasteful number, since it uses less digits than its factorization.

23456121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601455.

The product of its digits is 1440, while the sum is 24.

The square root of 23456121 is about 4843.1519695339. The cubic root of 23456121 is about 286.2543298163.

The spelling of 23456121 in words is "twenty-three million, four hundred fifty-six thousand, one hundred twenty-one".