23154252531445 has 32 divisors (see below), whose sum is σ = 31897829373696. Its totient is φ = 15805536998400.

The previous prime is 23154252531439. The next prime is 23154252531451. The reversal of 23154252531445 is 54413525245132.

It is an interprime number because it is at equal distance from previous prime (23154252531439) and next prime (23154252531451).

It is not a de Polignac number, because 23154252531445 - 2³ = 23154252531437 is a prime.

It is a super-2 number, since 2×23154252531445² (a number of 28 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 = 23154252531395 and 23154252531404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22619602 + ... + 23621068.

It is an arithmetic number, because the mean of its divisors is an integer number (996807167928).

Almost surely, 2^{23154252531445} is an apocalyptic number.

It is an amenable number.

23154252531445 is a deficient number, since it is larger than the sum of its proper divisors (8743576842251).

23154252531445 is a wasteful number, since it uses less digits than its factorization.

23154252531445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004461.

The product of its digits is 2880000, while the sum is 46.

Adding to 23154252531445 its reverse (54413525245132), we get a palindrome (77567777776577).

The spelling of 23154252531445 in words is "twenty-three trillion, one hundred fifty-four billion, two hundred fifty-two million, five hundred thirty-one thousand, four hundred forty-five".