101231133023 has 4 divisors (see below), whose sum is σ = 101257423848. Its totient is φ = 101204842200.

The previous prime is 101231132969. The next prime is 101231133041. The reversal of 101231133023 is 320331132101.

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

It is a cyclic number.

It is not a de Polignac number, because 101231133023 - 2⁸ = 101231132767 is a prime.

It is a super-2 number, since 2×101231133023² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101231132986 and 101231133004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101231133623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13139636 + ... + 13147337.

It is an arithmetic number, because the mean of its divisors is an integer number (25314355962).

Almost surely, 2^101231133023 is an apocalyptic number.

101231133023 is a deficient number, since it is larger than the sum of its proper divisors (26290825).

101231133023 is an equidigital number, since it uses as much as digits as its factorization.

101231133023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26290824.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 101231133023 its reverse (320331132101), we get a palindrome (421562265124).

The spelling of 101231133023 in words is "one hundred one billion, two hundred thirty-one million, one hundred thirty-three thousand, twenty-three".