2023123011 has 32 divisors (see below), whose sum is σ = 3374450688. Its totient is φ = 1049639040.

The previous prime is 2023123009. The next prime is 2023123031. The reversal of 2023123011 is 1103213202.

It is not a de Polignac number, because 2023123011 - 2¹ = 2023123009 is a prime.

It is a super-2 number, since 2×2023123011² = 8186053435275412242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2023123031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44091 + ... + 77396.

It is an arithmetic number, because the mean of its divisors is an integer number (105451584).

Almost surely, 2^2023123011 is an apocalyptic number.

2023123011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2023123011 is a deficient number, since it is larger than the sum of its proper divisors (1351327677).

2023123011 is a wasteful number, since it uses less digits than its factorization.

2023123011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121571.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2023123011 is about 44979.1397316578. The cubic root of 2023123011 is about 1264.7579848117.

Adding to 2023123011 its reverse (1103213202), we get a palindrome (3126336213).

It can be divided in two parts, 202 and 3123011, that added together give a palindrome (3123213).

The spelling of 2023123011 in words is "two billion, twenty-three million, one hundred twenty-three thousand, eleven".