2106523023 has 24 divisors (see below), whose sum is σ = 3254887680. Its totient is φ = 1201576320.

The previous prime is 2106523021. The next prime is 2106523043. The reversal of 2106523023 is 3203256012.

It is not a de Polignac number, because 2106523023 - 2¹ = 2106523021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2106522984 and 2106523002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2106523021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100903 + ... + 119976.

It is an arithmetic number, because the mean of its divisors is an integer number (135620320).

Almost surely, 2^2106523023 is an apocalyptic number.

2106523023 is a deficient number, since it is larger than the sum of its proper divisors (1148364657).

2106523023 is a wasteful number, since it uses less digits than its factorization.

2106523023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220927 (or 220910 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 2106523023 is about 45896.8737824266. The cubic root of 2106523023 is about 1281.9037067787.

Adding to 2106523023 its reverse (3203256012), we get a palindrome (5309779035).

The spelling of 2106523023 in words is "two billion, one hundred six million, five hundred twenty-three thousand, twenty-three".