23315554541 has 2 divisors, whose sum is σ = 23315554542. Its totient is φ = 23315554540.

The previous prime is 23315554523. The next prime is 23315554573. The reversal of 23315554541 is 14545551332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14646082441 + 8669472100 = 121021^2 + 93110^2 .

It is a cyclic number.

It is not a de Polignac number, because 23315554541 - 2³⁴ = 6135685357 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23315554495 and 23315554504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23315554511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11657777270 + 11657777271.

It is an arithmetic number, because the mean of its divisors is an integer number (11657777271).

Almost surely, 2^23315554541 is an apocalyptic number.

It is an amenable number.

23315554541 is a deficient number, since it is larger than the sum of its proper divisors (1).

23315554541 is an equidigital number, since it uses as much as digits as its factorization.

23315554541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 180000, while the sum is 38.

The spelling of 23315554541 in words is "twenty-three billion, three hundred fifteen million, five hundred fifty-four thousand, five hundred forty-one".