23154434141 has 4 divisors (see below), whose sum is σ = 23158197312. Its totient is φ = 23150670972.

The previous prime is 23154434119. The next prime is 23154434153. The reversal of 23154434141 is 14143445132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23154434141 is a prime.

It is a super-2 number, since 2×23154434141² (a number of 22 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 = 23154434098 and 23154434107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23154434101) 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, 1872341 + ... + 1884666.

It is an arithmetic number, because the mean of its divisors is an integer number (5789549328).

Almost surely, 2^23154434141 is an apocalyptic number.

It is an amenable number.

23154434141 is a deficient number, since it is larger than the sum of its proper divisors (3763171).

23154434141 is an equidigital number, since it uses as much as digits as its factorization.

23154434141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3763170.

The product of its digits is 23040, while the sum is 32.

Adding to 23154434141 its reverse (14143445132), we get a palindrome (37297879273).

The spelling of 23154434141 in words is "twenty-three billion, one hundred fifty-four million, four hundred thirty-four thousand, one hundred forty-one".