23503236153541 has 2 divisors, whose sum is σ = 23503236153542. Its totient is φ = 23503236153540.

The previous prime is 23503236153511. The next prime is 23503236153563. The reversal of 23503236153541 is 14535163230532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23474548262916 + 28687890625 = 4845054^2 + 169375^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23503236153541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23503236153511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11751618076770 + 11751618076771.

It is an arithmetic number, because the mean of its divisors is an integer number (11751618076771).

Almost surely, 2^{23503236153541} is an apocalyptic number.

It is an amenable number.

23503236153541 is a deficient number, since it is larger than the sum of its proper divisors (1).

23503236153541 is an equidigital number, since it uses as much as digits as its factorization.

23503236153541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972000, while the sum is 43.

The spelling of 23503236153541 in words is "twenty-three trillion, five hundred three billion, two hundred thirty-six million, one hundred fifty-three thousand, five hundred forty-one".