101031120023 has 4 divisors (see below), whose sum is σ = 102309995040. Its totient is φ = 99752245008.

The previous prime is 101031119939. The next prime is 101031120041. The reversal of 101031120023 is 320021130101.

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 101031120023 - 2⁸ = 101031119767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101031126023) 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, 639437390 + ... + 639437547.

It is an arithmetic number, because the mean of its divisors is an integer number (25577498760).

Almost surely, 2^101031120023 is an apocalyptic number.

101031120023 is a deficient number, since it is larger than the sum of its proper divisors (1278875017).

101031120023 is an equidigital number, since it uses as much as digits as its factorization.

101031120023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278875016.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 101031120023 its reverse (320021130101), we get a palindrome (421052250124).

The spelling of 101031120023 in words is "one hundred one billion, thirty-one million, one hundred twenty thousand, twenty-three".