23154151441 has 16 divisors (see below), whose sum is σ = 24553847808. Its totient is φ = 21798374400.

The previous prime is 23154151403. The next prime is 23154151459. The reversal of 23154151441 is 14415145132.

It is a cyclic number.

It is not a de Polignac number, because 23154151441 - 2¹³ = 23154143249 is a prime.

It is a super-2 number, since 2×23154151441² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23154151481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 422860 + ... + 474466.

It is an arithmetic number, because the mean of its divisors is an integer number (1534615488).

Almost surely, 2^23154151441 is an apocalyptic number.

It is an amenable number.

23154151441 is a deficient number, since it is larger than the sum of its proper divisors (1399696367).

23154151441 is a wasteful number, since it uses less digits than its factorization.

23154151441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52032.

The product of its digits is 9600, while the sum is 31.

Adding to 23154151441 its reverse (14415145132), we get a palindrome (37569296573).

The spelling of 23154151441 in words is "twenty-three billion, one hundred fifty-four million, one hundred fifty-one thousand, four hundred forty-one".