231121423143101 has 8 divisors (see below), whose sum is σ = 232232127525600. Its totient is φ = 230010863498640.

The previous prime is 231121423143067. The next prime is 231121423143119. The reversal of 231121423143101 is 101341324121132.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231121423143101 is a prime.

It is a super-2 number, since 2×231121423143101² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231121423143161) 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, 32982506 + ... + 39371163.

It is an arithmetic number, because the mean of its divisors is an integer number (29029015940700).

Almost surely, 2^{231121423143101} is an apocalyptic number.

It is an amenable number.

231121423143101 is a deficient number, since it is larger than the sum of its proper divisors (1110704382499).

231121423143101 is a wasteful number, since it uses less digits than its factorization.

231121423143101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72369019.

The product of its (nonzero) digits is 3456, while the sum is 29.

Adding to 231121423143101 its reverse (101341324121132), we get a palindrome (332462747264233).

The spelling of 231121423143101 in words is "two hundred thirty-one trillion, one hundred twenty-one billion, four hundred twenty-three million, one hundred forty-three thousand, one hundred one".