232123133012121 has 128 divisors (see below), whose sum is σ = 385492501954560. Its totient is φ = 137080576800000.

The previous prime is 232123133012087. The next prime is 232123133012131. The reversal of 232123133012121 is 121210331321232.

232123133012121 is a `hidden beast` number, since 2 + 3 + 2 + 1 + 2 + 313 + 301 + 21 + 21 = 666.

It is not a de Polignac number, because 232123133012121 - 2¹³ = 232123133003929 is a prime.

It is a super-2 number, since 2×232123133012121² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (232123133012131) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 938046991 + ... + 938294411.

It is an arithmetic number, because the mean of its divisors is an integer number (3011660171520).

Almost surely, 2^{232123133012121} is an apocalyptic number.

It is an amenable number.

232123133012121 is a deficient number, since it is larger than the sum of its proper divisors (153369368942439).

232123133012121 is a wasteful number, since it uses less digits than its factorization.

232123133012121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248196 (or 248190 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 232123133012121 its reverse (121210331321232), we get a palindrome (353333464333353).

The spelling of 232123133012121 in words is "two hundred thirty-two trillion, one hundred twenty-three billion, one hundred thirty-three million, twelve thousand, one hundred twenty-one".