234311023021 has 8 divisors (see below), whose sum is σ = 243791821080. Its totient is φ = 224923632192.

The previous prime is 234311022973. The next prime is 234311023127. The reversal of 234311023021 is 120320113432.

It can be written as a sum of positive squares in 4 ways, for example, as 145946920900 + 88364102121 = 382030^2 + 297261^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 234311023021 - 2⁷ = 234311022893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 234311022983 and 234311023001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234311023321) 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, 23346690 + ... + 23356723.

It is an arithmetic number, because the mean of its divisors is an integer number (30473977635).

Almost surely, 2^234311023021 is an apocalyptic number.

It is an amenable number.

234311023021 is a deficient number, since it is larger than the sum of its proper divisors (9480798059).

234311023021 is a wasteful number, since it uses less digits than its factorization.

234311023021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46703615.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 234311023021 its reverse (120320113432), we get a palindrome (354631136453).

The spelling of 234311023021 in words is "two hundred thirty-four billion, three hundred eleven million, twenty-three thousand, twenty-one".