231133301023 has 4 divisors (see below), whose sum is σ = 236051030880. Its totient is φ = 226215571168.

The previous prime is 231133301017. The next prime is 231133301029. The reversal of 231133301023 is 320103331132.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (231133301017) and next prime (231133301029).

It is a cyclic number.

It is not a de Polignac number, because 231133301023 - 2⁵ = 231133300991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231133300985 and 231133301003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231133301029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2458864858 + ... + 2458864951.

It is an arithmetic number, because the mean of its divisors is an integer number (59012757720).

Almost surely, 2^231133301023 is an apocalyptic number.

231133301023 is a deficient number, since it is larger than the sum of its proper divisors (4917729857).

231133301023 is an equidigital number, since it uses as much as digits as its factorization.

231133301023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4917729856.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 231133301023 its reverse (320103331132), we get a palindrome (551236632155).

The spelling of 231133301023 in words is "two hundred thirty-one billion, one hundred thirty-three million, three hundred one thousand, twenty-three".