232311143421 has 16 divisors (see below), whose sum is σ = 393331036800. Its totient is φ = 132749224704.

The previous prime is 232311143371. The next prime is 232311143447. The reversal of 232311143421 is 124341113232.

232311143421 is a `hidden beast` number, since 2 + 3 + 2 + 311 + 1 + 4 + 342 + 1 = 666.

It is not a de Polignac number, because 232311143421 - 2⁶ = 232311143357 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232311143321) 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, 614579556 + ... + 614579933.

It is an arithmetic number, because the mean of its divisors is an integer number (24583189800).

Almost surely, 2^232311143421 is an apocalyptic number.

232311143421 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

232311143421 is a deficient number, since it is larger than the sum of its proper divisors (161019893379).

232311143421 is a wasteful number, since it uses less digits than its factorization.

232311143421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1229159505 (or 1229159499 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

Adding to 232311143421 its reverse (124341113232), we get a palindrome (356652256653).

The spelling of 232311143421 in words is "two hundred thirty-two billion, three hundred eleven million, one hundred forty-three thousand, four hundred twenty-one".