23155053134545 has 8 divisors (see below), whose sum is σ = 28072518027624. Its totient is φ = 18333072996864.

The previous prime is 23155053134533. The next prime is 23155053134561. The reversal of 23155053134545 is 54543135055132.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 748514881 + 23154304619664 = 27359^2 + 4811892^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23155053134545 - 2¹⁷ = 23155053003473 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23155053134495 and 23155053134504.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23871188314 + ... + 23871189283.

It is an arithmetic number, because the mean of its divisors is an integer number (3509064753453).

Almost surely, 2^{23155053134545} is an apocalyptic number.

It is an amenable number.

23155053134545 is a deficient number, since it is larger than the sum of its proper divisors (4917464893079).

23155053134545 is an equidigital number, since it uses as much as digits as its factorization.

23155053134545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47742377699.

The product of its (nonzero) digits is 2700000, while the sum is 46.

Adding to 23155053134545 its reverse (54543135055132), we get a palindrome (77698188189677).

The spelling of 23155053134545 in words is "twenty-three trillion, one hundred fifty-five billion, fifty-three million, one hundred thirty-four thousand, five hundred forty-five".