232503142203121 has 16 divisors (see below), whose sum is σ = 254153054937600. Its totient is φ = 211740923255040.

The previous prime is 232503142203043. The next prime is 232503142203131. The reversal of 232503142203121 is 121302241305232.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 232503142203121 - 2²⁵ = 232503108648689 is a prime.

It is a super-2 number, since 2×232503142203121² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (232503142203131) 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, 23561691 + ... + 31939936.

It is an arithmetic number, because the mean of its divisors is an integer number (15884565933600).

Almost surely, 2^{232503142203121} is an apocalyptic number.

It is an amenable number.

232503142203121 is a deficient number, since it is larger than the sum of its proper divisors (21649912734479).

232503142203121 is a wasteful number, since it uses less digits than its factorization.

232503142203121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55509624.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 232503142203121 its reverse (121302241305232), we get a palindrome (353805383508353).

The spelling of 232503142203121 in words is "two hundred thirty-two trillion, five hundred three billion, one hundred forty-two million, two hundred three thousand, one hundred twenty-one".