23342121 has 16 divisors (see below), whose sum is σ = 37725120. Its totient is φ = 14146560.

The previous prime is 23342117. The next prime is 23342141. The reversal of 23342121 is 12124332.

It is not a de Polignac number, because 23342121 - 2² = 23342117 is a prime.

It is a super-2 number, since 2×23342121² = 1089709225557282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23342094 and 23342103.

It is not an unprimeable number, because it can be changed into a prime (23342141) 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, 39000 + ... + 39593.

It is an arithmetic number, because the mean of its divisors is an integer number (2357820).

Almost surely, 2^23342121 is an apocalyptic number.

It is an amenable number.

23342121 is a deficient number, since it is larger than the sum of its proper divisors (14382999).

23342121 is a wasteful number, since it uses less digits than its factorization.

23342121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78613 (or 78607 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 23342121 is about 4831.3684396866. The cubic root of 23342121 is about 285.7898312495.

Adding to 23342121 its reverse (12124332), we get a palindrome (35466453).

The spelling of 23342121 in words is "twenty-three million, three hundred forty-two thousand, one hundred twenty-one".